Dna Evidence Essays Examples

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Essay
Program Budget for Crime Investigation
Pages: 2 Words: 738

Program Budget AssignmentDNA in confirming, identifying, and exonerating burglary investigations of crime suspects is common in many police departments. This helps them investigate crimes, although traditionally, it has been used in the most severe cases because of limited resources. It has been reported that DNA has improved the clearance rates for such serious crimes. They are most preferable for sex offenders who always leave behind biological evidence. The DNA effectiveness in such cases has improved the efforts to expand the evidence resulting from DNA in such cases, hence processing other types of crimes, such as those involving burglary. In this program budget assignment, I am seeking a $ 50,000 grant to improve the process of DNA evidence that has been collected. This will also involve examination of the evidence according to the criminal investigations in my local police department. The funding will help process the thirty DNA samples so that…...

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Reference

Roman, J. K., Reid, S. E., Chalfin, A. J., & Knight, C. R. (2009). The DNA field experiment: a randomized trial of the cost-effectiveness of using DNA to solve property crimes. Journal of Experimental Criminology, 5(4), 345-369.  https://link.springer.com/article/10.1007/s11292-009-9086-4 

Essay
DNA Evidence in Criminal Investigations
Pages: 5 Words: 1714

, 2007, p. 153).
Conclusion

The research showed that DNA evidence can be a valuable tool for the criminal justice system, but the effectiveness of such evidence depends on a number of factors. Among the more salient of these factors was the need to ensure that the DNA sample is collected and stored properly, and that it is transported to a testing facility in a timely and appropriate fashion. Other issues that emerged from the research included the need to maintain a strict chain of custody for all DNA evidence, as well as the need to ensure that the results of DNA testing were interpreted in an informed manner. Finally, the research was consistent in emphasizing that although DNA evidence can help prove innocence and guilt, the accuracy of such evidence depends on the type of DNA testing protocol that is involved and how these results are used in the courtroom.

eferences

Black's law…...

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References

Black's law dictionary. (1999). St. Paul, MN: West Publishing Co.

Bridges, a. (2007). Falsely accused: DNA evidence proves rape accusation was a lie. The Forensic Examiner, 16(4), 83.

Dann, B.M., Hans, V.P. & Kaye, DH (2007). Can jury trial innovations improve juror understanding of DNA evidence? Judicature, 90(4), 152-153.

Gahn, L. (2005, March). DNA evidence collection procedures. Law & Order, 53(3), 72-73.

Essay
DNA Which to Some of
Pages: 3 Words: 1164

In 1866, Mendel discovered that there are "recessive" and "dominant" traits in plants, paving the way for understanding how genes work in predictable ways, and plowing the ground for later science, although his work wasn't "discovered" until 1900. In 1944, three scientists at the Rockefeller Institute in New York discovered that DNA is the carrier of the genetic information within the body.
In the early 1950s, scientists were by now aware that DNA was genetic material and that is was an acid made up of sugars, phosphate groups, and "equally matches bases," the Dolan center points out. That was all well and good, but the big question remained: HAT AS NATURE'S GENETIC CODE?

The man most responsible for "breaking the genetic code" was MARSHALL NIRENBERG in 1961; but "breaking it" (or identifying it) was only part of the puzzle. And then in 1965, NIRENBERG (working at the National Institutes of Health…...

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Works Cited

About.com. (2006). Definition for DNA. Retrieved 16 October, 2006, from www.about.com.

De Duve, Christian. (2006). The Origin of Life: chemistry and replicability imply that life

Is Likely to Arise wherever conditions mimic those that surrounded its birth on Earth.

Taipei Times. Retrieved 15 October, 2006, at  http://www.taipeitimes.com .

Essay
DNA Techniques
Pages: 2 Words: 445

Filtration-Based DNA Preparation for Sexual
Assault Cases. Journal of Forensic Science 9/2003 Vol.48, No.

The precision of DNA technology allows law enforcement authorities to definitively identify perpetrators of sexual assaults from microscopic amounts of their

DNA collected from victims using a cotton swab. It has enabled the FBI to establish the Combined DNA Index System ("CODIS"), a nationwide DNA data bank and identification system modeled in principle, after the AFIS automatic fingerprint identification system.

It is estimated that crucial DNA evidence collected in approximately half a million unsolved rape cases awaits scientific processing, partly because of the complexity and time consuming nature of technical aspects of the techniques involved. The U.S. House of Representatives has already passed legislation in the form of the DNA Sexual Assault Justice Act that would allocate a quarter of a billion dollars to the problem. The Senate is expected to do likewise.

Chief among the difficulties concerns the separation…...

Essay
Using DNA to Solve Cold Cases
Pages: 4 Words: 1200

DNA Cold Case
Using DNA to Solve Cold Cases

Our federal, state and local law enforcement agencies are charged with the responsibility of bringing justice to every case that comes before them. Especially in the case of homicide, the importance of finding resolution through identification and prosecution (where possible) of perpetrators, is a top priority. This is true even as a considerable amount of time lapses since the emergence of a given case. hen an investigation reaches an impasse, exhausts its leads and ultimately finds itself without a trail to follow, it becomes a cold case. Cold cases typically find their way to the backburner as law enforcement agencies focus on solving crimes with more immediately available evidence. It is thus that cases go 'cold,' leaving investigators with no apparent directions to turn for resolution.

However, today, with the emergence and continued refinement in use of DNA evidence, many cold cases are receiving…...

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Works Cited:

Gast, P. (2013). Cold-case murders of 4 females brought back to life by new images, DNA tests. CNN.com.

Goldstein, S. (2013). Arizona sheriff hopes DNA, facial reconstruction, will help crack 32-year-old cold case. New York Daily News.

National Institute of Justice (NIJ). (2012). Cold Case Investigations and Forensic DNA. NIJ.gov.

U.S. Department of Justice (DOJ). (2011). Solicitation: Solving Cold Cases with DNA. NCJRS.gov.

Essay
Evidence Discuss the Problems for
Pages: 7 Words: 1879

"The criterion for the admissibility of a confession has thus evolved into the quality of voluntariness. The aim of admitting into evidence only voluntary confessions is to prevent the introduction of unreliable evidence. & #8230; the result is that judges may exclude confessions where the coercion is blatant and obvious but not exclude confessions where the coercion" is more subtle -- the jury is left to decide the confession's veracity in this case (akefield & Underwager 20009).
Question 13

Discuss and provide examples pertaining to the waiver of privilege against self-incrimination.

The protection against self-incrimination does not apply to "non-testimonial evidence" such as giving examples of one's voice, police line-ups, blood samples or fingerprints (Lesson 12, 2009, Slide 4)

Question 14

The principal restriction of impeachment by the use of evidence of misconduct can result in a conviction of a witness. Explain this concept and give examples.

Impeaching the testimony of a witness may involve…...

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Works Cited

Exceptions to the hearsay rule. (2009). Everything2.com. Retrieved May 28, 2009 at  http://everything2.com/title/Exceptions%2520to%2520the%2520Hearsay%2520Rule 

ELMO evidence presentation. (2009). Middle District of Pennsylvania. Retrieved May 28, 2009

at  http://www.pamd.uscourts.gov/docs/elmo.pdf 

Evidence. (2009). eNotes. Retrieved May 28, 2009 at  http://www.enotes.com/forensic-science/evidence-chain-custody

Essay
Evidence Criminal Evidence in Order
Pages: 3 Words: 1380

The police officer then called the dispatcher to check Caballes' license and see if he had any outstanding warrants. As he was writing the warning ticket, he asked for a criminal background check from the dispatcher and asked Caballes if he had ever been arrested. Caballes said no, but the dispatcher told the officer that Caballes had been arrested twice for distribution of marijuana. While the officer was writing the warning ticket, another trooper arrived with a drug detection dog. The dog walked around Caballes' car and signaled alert. Marijuana was then found in the trunk.
Caballes was arrested and charged with trafficking cannabis.

Before the trial, Caballes' motion to suppress the evidence found in the trunk was denied. Caballes was convicted and sentenced to 12 years in prison and ordered to pay a fine of $256,136. Caballes' lawyers appealed, arguing that the police officer did not have probable cause to…...

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References

Dix, G.E. (2002). Gilbert Law Summaries: Criminal Procedure. USA: The Bar Bri Group.

Illinois v. Caballes (2005). Medill School of Journalism, on the Docket web site:  http://www.medill.northwestern.edu/-secure/docket/mt/archives/000814.php 

Koenig, D. (2005). An Introduction to Criminal Law. 3rd Edition. Lansing, MI: Thomas Cooley Law School.

Understanding Search and Seizure Law" (2005): http://www.nolo.com/article.cfm/objectID/DED24689-ADA8-4785-887A0B4A19A694DE/104/1.

Essay
Fingerprints vs DNA Is One
Pages: 7 Words: 3159

(Aronson, 2007)
The problems and future of DNA Testing

The scientific soundness of the DNA test has not been doubted at all. Courts have increasingly relied on the outcomes of DNA tests. The common man is at a loss to understand the complexities of the method, and as a result in jury trials it is not taken as standard proof but approached with hesitancy. Jurors are ignorant of science and the 'principles of modern genetics' and can get quite confused by all the jargon and confusing tactics of lawyers who are more interested in their cases rather than scientific truth. ("DNA Fingerprinting and Forensics," 2006) Thus the very process that can throw light on the proceedings and produce unfaultable evidence gets mired in sticky debates. The actual concern about the DNA test is not a confused jury but the process of collecting the data and analyzing it. There is no safeguard…...

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References

Aronson, Jay. D. (2007) "Genetic Witness: Science, Law, and Controversy in the Making of DNA" Rutgers University Press.

Champod, Christophe. (2004) "Fingerprints and Other Ridge Skin Impressions"

CRC Press.

Lazer, David. (2004) "DNA and the Criminal Justice System: The Technology of Justice"

Essay
Custody of Evidence One Error
Pages: 10 Words: 3068

She had been struck several times in the head with a Toney Penna golf club -- so ferociously that the club had shattered into multiple pieces -- and then stabbed in the neck with the broken shaft the club's handle and part of the shaft had vanished. (Kennedy Jr., 2003, Martha Moxley section, ¶ 1)
From evidence retrieved from the autopsy, police determined Moxley's murder occurred at approximately10:00 P.M..

On July 10, 1998, 23 years after Moxley's murder, "Connecticut authorities convened a one-man grand jury consisting of Judge George Thim. The state's attorney Jonathan Benedict took over the Moxley case and began a multimillion-dollar effort to convict Michael Skakel" (Kennedy Jr., 2003, Mark Fuhrman section, ¶ 5). Until this time, Greenwich police and state investigators considered Ken Littleton as the primary suspect for the murder of Moxley (Fuhrman, cited in Kennedy Jr., Mark Fuhrman section, ¶ 7). According to prosecutors' arguments,…...

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References

Caldwell, Lori. (2004, June 8). Post-Tribune. Gun missing as evidence, so Gary man acquitted. Post-Tribune (in). Retrieved November 20, 2008 from HighBeam Research database.

Givens, Ann. (2006). Evidence bungled?: Blood work in DWI death trial might have been mishandled, according to testimony of troopers, others. Newsday (Melville, NY). McClatchy-Tribune Information Services. Retrieved November 20, 2008 from HighBeam Research database.

Caldwell, Lori. (2004, June 8). Post-Tribune. "Gun missing as evidence, so Gary man acquitted." Post-Tribune (in). 2004. Retrieved November 20, 2008 from HighBeam Research: www.highbeam.com/doc/1N11032253A4EBD8A1C.html

Complete coverage: Limo crash. (2008). Retrieved November 20, 2008 at  http://www.newsday.com/news/local/longisland/ny-licrashsg,0,390101.storygallery?coll=ny-linews-headlines

Essay
Trace Evidence Looking for Trace
Pages: 1 Words: 374

It is possible that other people have already been through there and touched things, and those people must be eliminated as suspects. Avoiding further contamination, however, is vital to ensuring that the crime has the highest chance of being solved. In addition to wearing gloves, collecting evidence at a crime scene also involves making sure that the evidence, once collected, remains free from any contamination (Penrod, 2003). There are specialized containers which are used to collect certain types of evidence from crime scenes. Other evidence, such as hair or fibers, is usually just placed in a clean, dry baggie and sealed up. It is very important at that point that where the evidence came from and who collected it is documented. Any time it changes hands, that must also be documented. This can help to ensure that it can be used as evidence at trial, because there is allegedly…...

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Bibliography

Penrod, S. 2003 Eyewitness identification evidence: How well are witnesses and police performing? Criminal Justice 18(1): 36-47.

Essay
Relevant Evidence
Pages: 2 Words: 642

Legal Concept of elevant Evidence
Brady v. Maryland, 373 U.S. 83 (1963)

Facts: Defendants Brady and Boblit were convicted of murder by the state of Maryland, with Brady admitting participation in the crime but stating that Boblit committed the actual act of killing the victim. Boblit confirmed this fact in a written statement recording his personal confession, but during the criminal proceedings prosecutors elected to withhold Boblit's confession from the court, as well as from Brady and his attorney. Upon being convicted of the murder, Brady challenged the decision on the basis of potential violations of the Fourteenth Amendment, which guarantees those accused of criminal conduct the right to due process. The Maryland Court of Appeals affirmed Brady's conviction, but remanded the case for retrial to reassess the question of punishment.

Issues: The prosecution's choice to withhold Boblit's written confession irrevocably altered the sentencing process for Brady, as the court was never made…...

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References

Brady v. Maryland, 373 U.S. 83 (1963)

Essay
Combined DNA Index System Codis
Pages: 8 Words: 2066

Change them often; (2) Use disposable instruments or clean them thoroughly before and after handling each sample; (3) Avoid touching the area where you believe DNA may exist; (4) avoid talking, sneezing, and coughing over evidence; (5) Avoid touching your face, nose, and mouth when collecting and packaging evidence; (6) Air-dry evidence thoroughly before packaging; and (7) Put evidence into new paper bags or envelopes, not into plastic bags. Do not use staples." (National Institute of Justice, 2007)
V. Future of CODIS

The work entitled: "Communication, Documentation and Information Services" states that in the future CODIS will "continue to place a major emphasis on upgrading technology in all areas of its responsibility." (Vest of Research, nd) in a National Institute of Justice report entitled: "The Future of Forensic DNA Testing: Predictions of the Research and Development Working Group" published in November 2000 states that "technology projections for 2010" include transition to…...

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Bibliography

Combined DNA Index System CODIS (nd) Fast Facts from the DPS. Online available at  http://www.txdps.state.tx.us/director_staff/public_information/Fast_facts/Codis.pdf 

CODIS (2007) SAIC. Online available at  http://www.saic.com/justice/codis.html 

Lessons Learned From 9/11: DNA Identification in Mass Fatality Incidents. (2007) President's DNA Initiatives. Online available at http://www.dna.gov/uses/mass_fatalities/

Using DNA and Other Resources to Identify Missing Persons (2007) President's DNA Initiative Online available at http://www.dna.gov/uses/m_person/.

Essay
Ethical Pros and Cons of Criminal DNA Data Banks
Pages: 6 Words: 1532

Ethical Pros & Cons of Criminal DNA data banks
DNA banking of criminal information is a source of controversy among many human rights activists. According to statistics, Criminal DNA databanks offer an effective means of controlling crime. Genetic information on criminals is being collected and stored in many states as a means of identifying current and future criminals. Statistics support the notion that collecting DNA information on criminals helps reduce crime. Case in point, the Division of Forensic Science has managed an average of 37 "hits" per month, where hits refer to a situation where DNA analysis of a crime scene has resulted in suspect matches from previously convicted offenders and subsequent arrest (DCJS, 2004). In Virginia the DNA databank database contains more than 200,000 of criminals (DCJS, 2004).

Proponents of DNA banks argue that DNA identifying information should be collected on larger segments of the population to better control crime. Currently…...

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Bibliography

DCJS - Department of Criminal Justice Services - DNA Databank Statistics (2004)

Retrieved February 6, 2004,  http://www.dcjs.org/forensic/information/dna.cfm?menuLevel=1 

Escanaba, Thomas L. "Strands of Justice: Do DNA databanks infringe on defendants' rights?" February 1998. Retrieved February 6, 2004,  http://www.pbs.org/newshour/forum/july98/dna_databanks02.html 

Fridell, Ron. "DNA Fingerprinting: the Ultimate Identity." New York: Franklin Watts: 2001.

Essay
Wrongful Convictions and Dna
Pages: 3 Words: 1001

Eye Witness Memory and Identification
In the contemporary legal environment, an eyewitness plays a critical role in the legal system. A correct eyewitness identification has helped in advancing an investigation, and can be used to solve a complex case. Despite the importance of eyewitness identification in a legal system, eyewitness misidentification is being identified as the contributing factor to wrongful convictions based on the DNA testing. Typically, the eyewitness misidentification leads to 70% of wrongful convictions based on the DNA evidence in the United States. In cases after cases, it has been proven by the DNA that eyewitnesses are mostly inaccurate. For example, a review of 311 cases reveals that 73% of the convictions have been due to the eyewitness errors leading to wrongful convictions. Evidence have also revealed that eyewitness identifications can sway strong alibis, juries and police. Unfortunately, the memory of some eyewitnesses is either unable to recall events,…...

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Reference

Arkowitz, H. & Lilienfeld, S.O. (2010). Why Science Tells Us Not to Rely on Eyewitness Accounts. Scientific America Mind.

Green, M. (2013). Eye Witness Memory is Unreliable. Visual Expert.

Hope, L., & Sauer, J.D. (2014). Eyewitness memory and mistaken identifications In book: Investigative Interviewing: The Essentials, Carswell: M. St.-Yves.

Malpass, R.S. & Topp, L.D. (2005) Eye Witness Memory and Identification. The Defender

Essay
DNA Sequence
Pages: 4 Words: 1160

human DNA sequence composed of a series of letters such as 'accagacagt' and the objective was to decipher this jumble of letters and interpret the results. I suppose I should report that the process went smoothly and that after a bit of research I now consider myself an expert in regard to the new science of DNA Sequencing. However, I have a thousand more questions now than before I began and even the answers I came up with may or may not be correct. I do know for a fact that this is a pretty new art or science and its potential seems limitless. "DNA itself has thus far shown only modest evidence of possessing any intrinsic catalytic activities, although the prospect that more will be discovered in the future is surely plausible." (Cantor & Smith, 1999, xv)
The internet has made so many sites and processes available to the…...

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Obviously, enterokinase gene being tied to this chromosome entails a great deal of research interest into the biological functions of the gene and the manner by which it contributes to disease. Defects in PRSS7 therefore are a direct cause of enterokinase deficiency which is a life-threatening intestinal malabsorption disorder. The disorder can be characterized by severe bouts of diarrhea and failure to thrive and thus create a situation of initiating activation of pancreatic proteolytic proenzymes (trypsin, chymotrypsin and carboxypeptidase a).

Animals, like humans, have to handle digestion of exogenous macromolecules without destroying endogenous constituents so the serine protease or enterokinase seems to be a fundamental digestive system requirement. In other words, all vertebrates such as mice or dogs have adapted a two step enzymatic cascade that is used to change pancreatic zymogens over to active enzymes in the lumen of the gut as discovered by researchers in Pavlov's laboratory in the early 1900's. "Extracts of the proximal small intestine were shown strikingly to activate the latent hydrolytic enzymes in pancreatic fluid. Pavlov considered this intestinal factor to be an enzyme that activated other enzymes, or a 'ferment of ferments' and named it enterokinase." (Stone, 2002)

Prospects For

Q/A
Need assistance developing essay topics related to Criminal Investigations. Can you offer any guidance?
Words: 671

Certainly! Here are some essay topics related to Criminal Investigations:

1. The role of evidence in criminal investigations: How is evidence collected and analyzed in criminal investigations, and what impact does it have on the outcome of a case?

2. The use of technology in criminal investigations: How have advancements in technology improved the process of investigating and solving crimes? What are the potential risks and ethical considerations associated with using technology in criminal investigations?

3. The challenges of conducting criminal investigations in a digital world: How has the prevalence of digital technology, such as social media and smartphones, affected the methods and....

Q/A
Can you provide a concise outline of the historical and ethical arguments for and against the death penalty?
Words: 383

I. Introduction
A. Background information on the death penalty
B. Thesis statement: The death penalty, although widely debated, should be abolished due to its ineffectiveness as a deterrent, the risk of executing innocent individuals, and its violation of human rights.

II. Ineffectiveness as a deterrent
A. Lack of evidence supporting deterrent effect
1. Studies showing no significant decrease in crime rates
2. Countries without the death penalty experiencing lower crime rates
B. Alternative punishment options
1. Life imprisonment without parole as a viable deterrent
2. Focus on rehabilitation and education

III. Risk of executing innocent individuals
A. Wrongful convictions and....

Q/A
My teacher suggested focusing on criminal justice research topics for a pilot study proposal. Any essay topics that align with this guidance?
Words: 265

1. The effectiveness of body-worn cameras on police officers in reducing use of force incidents
2. The impact of race and ethnicity on sentencing outcomes in the criminal justice system
3. The prevalence of wrongful convictions and the factors contributing to them
4. The relationship between mental health and incarceration rates
5. The role of technology in criminal investigations and solving cold cases
6. The effectiveness of rehabilitation programs in reducing recidivism rates
7. The implementation of restorative justice practices in the criminal justice system
8. The use of facial recognition technology in identifying and apprehending suspects
9. The impact of drug legalization on crime rates
10. The relationship....

Q/A
Should we abolish capital punishment in light of ethical concerns and irreversible consequences?
Words: 1035

Why Not Capital Punishment?

Capital punishment, also known as the death penalty, has been a controversial topic for centuries. Proponents of capital punishment argue that it is a just and necessary punishment for certain crimes, such as murder. They also argue that it deters crime and protects society from dangerous criminals. However, opponents of capital punishment argue that it is cruel and unusual punishment, that it is irreversible, and that it is not a deterrent to crime. They also argue that it is more expensive than life in prison and that it is racially biased.

In recent years, there has been a....

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