In order for an experiment to be admissible to assist the trier of fact in resolving an issue, the main issue is whether the conditions of the experiment are substantially similar to the circumstances surrounding the original event.
Answer
Correct Answer:
True
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Scientific support is strong for the accuracy of polygraph tests.
Answer
Correct Answer:
True
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Police wish to determine whether there is probable cause to arrest an individual driving under the influence of alcohol. Which judicially recognized test is most appropriate in this situation?
Answer
Correct Answer:
Horizontal gaze nystagmus
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Analysts seek to determine the distance from which a gun was fire Analysis of gun powder burns on clothing and skin will aid in this determination.
Answer
Correct Answer:
True
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Narcotics are sent to a forensic la The analyst begins a test whereby the reaction of a substance to ultraviolet (UV) and infrared light is measure Which type of test is being performed?
Answer
Correct Answer:
Ultraviolet spectrophotometry
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In recent years, since the general acceptance of DNA testing, a number of incarcerated individuals have relied on the test to support claims of actual innocence and subsequent release from prison.
Answer
Correct Answer:
True
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Although the identity of the perpetrator is not at issue in the case, DNA is still relevant in a rape case to prove consent.
Answer
Correct Answer:
False
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Blood typing can conclusively determine that an individual committed a crime providing he or she possesses the blood type found at the crime scene.
Answer
Correct Answer:
False
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Samantha was suspected of driving under the influence. She refuses to consent to a breathalyzer test or blood test to determine blood alcohol content. Which is not a possible consequence of her denial?
Answer
Correct Answer:
Warrantless drawing of blood
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At an artist’s studio, there was a break-in and a violent altercation. The suspect fled on foot. This was not the first time it had happene After the initial break-in, the artist set traps in her studio that would cause the intruder to be doused in neon paint so as to easily identify him if he were to get away. Luckily, there were fingerprints left behind this time. Which basic type of print is likely to be collected?
Answer
Correct Answer:
Patent prints
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Which is not part of the foundation for the introduction of scientific evidence?
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Correct Answer:
Whether the conclusion reached is replicable by multiple parties
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Forensic evidence is required in all cases in order to find guilt.
Answer
Correct Answer:
False
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In a narcotics case, the prosecution intended to admit into evidence the narcotics found on the defendant. At the time of trial, it was discovered that the envelope containing the substance was not sealed, had no identification number, and the receipt and custody was not properly tracke What will be the likely result?
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Correct Answer:
Exclusion of the evidence due to a break in the chain of custody
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The goals of requiring proper chain of custody are to:
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Correct Answer:
Demonstrate the item is the same item seized by the police and is in substantially the same condition as when it was seized by the police.
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Two methods of authentication for evidence seized from a crime scene are identification of the object by a witness and establishing a chain of custody.
Answer
Correct Answer:
True
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