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provide at least one example of how DNA evidence was used to help to solve a crime.
Case Study #1 Research has already demonstrated the link between forensic entomology and society by amplifying human DNA from blood meals through various methods. [ A case in Italy involving the murder of a woman used this technique to identify a suspect. The woman’s body was discovered partially covered by sand on a beach in Sicily. Investigators suspected a prominent businessman, whose car was seen in the area the night of the murder. A search of the suspect’s home produced no substantial evidence, apart from a mosquito blood meal stain on the wall. Technicians absorbed the stain onto
wet filter paper and then scratched the rest of the blood material off the wall. They also collected the insect’s remains in a tube for species identification. They extracted DNA from the blood sample and performed PCR. They identified the DNA as the victim’s, which placed the victim in the vicinity, if not in, the suspect’s home. Experts identified the mosquito as C. pipiens, a species not known to travel far distances, such as between the suspect’s home and the crime scene. [11] This evidence, along with grains of sand and leaf fragments on the suspect’s clothing that matched samples from the beach, helped convict the suspect of second degree murder. This also relates forensic entomology and the law. ]
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Expert answered|jher000|Points 7630|
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Asked 9/20/2012 11:42:56 AM
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What is the Innocence Project?
Weegy: The Innocence Project is a non-profit legal organization that is committed to exonerating wrongly convicted people through the use of DNA testing, and to reforming the criminal justice system to prevent future injustice. (More)
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Updated 12/21/2017 8:03:05 PM
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The luminol test is capable of detecting bloodstains diluted up to: (Points : 5) a.100,000 times b.30,000 times c.3,000 times d.300 times
Weegy: The luminol test is capable of detecting bloodstains diluted up to 300,000 times. T he recovery and detection of possible blood stains at the crime scene can make or break a case, especially with the advent of and perfection of DNA testing. [ When a crime scene is cleaned up, this technology becomes even more important. Over the past two years we have conducted a study of Luminol and a new chemical BlueStar? Forensic this research delves into the specifics of each chemical, its makeup, use and results of the chemical testing on various blood stains of various dilutions to determine the sensitivity of each chemical. ] (More)
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Updated 6/15/2016 2:25:54 PM
1 Answer/Comment
The luminol test is capable of detecting bloodstains diluted up to 100,000 times.
Added 6/15/2016 2:09:50 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/15/2016 2:25:56 PM], Rated good by jeifunk
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