In our criminal justice system‚ truth is the most sought-after attribute. Since evidence cannot be altered‚ it only reinforces the truth. There are several forms of evidence that investigators may use to build their case. The five main categories of evidence include‚ direct evidence‚ physical evidence‚ demonstrative evidence‚ circumstantial evidence‚ and opinion evidence. Direct evidence can be described as the testimony of an individual who directly witnessed the offender committing a crime. For
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Legal Studies Essay DNA Profiling Breakthroughs in DNA testing have brought success to what would have otherwise been unsolved cases. DNA profiling is a technique used by many scientists and police to match DNA samples found at the scene of a crime with their respective counterparts generally found on their database. DNA profiling has helped match blood and semen samples found at the scene of a crime to the perpetrator‚ managing to sometimes solve cold cases that have been closed for decades
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not sufficient DNA in the roots for standard DNA profiling. Fortunately‚ scientists found very small amount of DNA in the hair shaft and used Mitochondrial DNA testing (traces a person’s matrilineal or mother-line ancestry using the DNA in his or her mitochondria) matching the hair to John Taylor. There were dog hairs on Leanne Tiernan’s body as well‚ leading scientists in Texas to produce a partial dog DNA profile. This was the first time a British murder investigation had used dog DNA profiling. Although
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DNA as a Key Witness Criminals‚ often unknowingly‚ leave parts of themselves behind. These pieces are not always visible to the untrained eye. Hair‚ skin‚ blood‚ and fingerprints all contain elements that are unique to each person. It is with DNA testing and fingerprinting‚ that criminals can be identified and crimes can be linked. This system of testing and matching has become the “most essential and reliable method of catching criminals” in the United States (Lynch 67). Advancing technology
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all people convicted of a crime have their DNA fingerprints stored on a database?\ A DNA fingerprint is the same for every cell‚ organ and tissue in an organism. DNA fingerprinting has many uses‚ some of which include providing the evidence needed to solve criminal investigations‚ determining genetic relationships and solving paternity disputes. DNA fingerprinting has many benefits in the use of criminal investigations as it can provide the evidence to solve crimes and current mysteries‚ can free
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courts relied on testimony and eyewitness accounts as a main source of evidence. Notoriously unreliable‚ these techniques have since faded away to the stunning reliability of DNA forensics. In 1984‚ British geneticist Alec Jeffreys of the University of Leicester discovered an interesting new marker in the human genome. Most DNA information is the same in every human‚ but the junk code between genes is unique to every person. Junk DNA used for investigative purposes can be found in blood‚ saliva‚ perspiration
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Photo Spread Analysis David M. Grable CCJS 234 – Criminal Procedure and Evidence April 26‚ 2015 To: Judge J. Doe From: David M. Grable Date: April 26‚ 2015 Subject: Photo Spread Analysis A photo spread would be presented to both the victim‚ Vicky‚ and the witness‚ William since their recollection of the assailant is similar. The photo spread should be presented to Vicky first because she was unable to view the assailant’s entire face and was taken by surprise by the incident. Her recollection
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Cases Summary CJUS 350 Angela McIntosh The three cases that are mentioned and studied are Brady v. Maryland‚ Giglio v. United States‚ and United States v. Agurs. These cases are important to the history of how cases are presented and with what evidence is made available to the jury. With Brady v. Maryland‚ it was the first time that the Supreme Court recognized that the Fourteenth Amendment due process clause is to ensure and guarantee that the criminal defendants are given
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Criminal Case Defense Analysis Criminal Case Defense Analysis When a person gets arrested for a crime‚ that person will remain a suspect until proven guilty otherwise in court. This person will then have the chance to avail himself with the best legal representation available. “A defense consists of evidence and arguments offered by a defendant and his or her attorney(s) to show why that person should not be held liable for a criminal charge” (Schmalleger‚ 2010). Generally speaking
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Bill French case In this case‚ Bill French had gathered information and calculated Break Even Point (BEP) based on few assumptions: 1) Product mix considered constant. 2) Considered that there is just one breakeven point for the company. 3) Fixed and variable cost is assumed to be constant. 4) No inventory. 5) Price assumed to be fixed. Calculation of breakeven point based on assumptions: Table 1: Initial Cost analysis Initial Calculation Aggregates A’ B’ C’ Sales at full capacity (Unit) 2000000
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