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The researchers used data from 17 actual cases to test their model. In each case, the target’s DNA—that of the suspect or the victim—produced anywhere from 200 to 5,000 matches.
DNA evidence linked Curcio to the crime. [122] In March 2009, Sean Hodgson—convicted of 1979 killing of Teresa De Simone, 22, in her car in Southampton—was released after tests proved DNA from the scene was not his. It was later matched to DNA retrieved from the exhumed body of David Lace.
The US government's own Combined DNA Index System (CODIS) database is composed of forensic evidence assessable to local, state, and federal law enforcement officials. This database consists of genetic profiles of approximately 18 million different people, however these are limited to DNA samples from convicted felons and arrestees. [26]
Katie's Law, also known as the Katie Sepich Enhanced DNA Collection Act of 2010, is a federal law to provide funding to states to implement minimum and enhanced DNA collection processes for felony arrests. The bill is named after Katie Sepich, who was brutally attacked outside of her New Mexico home in August 2003.
"Little did I know," she said with a chuckle -- cutting to how a year later a detective from the Michigan State Police called her at work, scaring her that she could be in trouble.
Investigators got DNA from a knife sheath left at the crime scene and referenced testing on that sample in an affidavit supporting the arrest of Bryan Kohberger.
Touch DNA, also known as Trace DNA, is a forensic method for analyzing DNA left at the scene of a crime. It is called "touch DNA" because it only requires very small samples, for example from the skin cells left on an object after it has been touched or casually handled, [ 1 ] or from footprints. [ 2 ]
Evidence from the crime scene was sent to a private lab, which successfully pulled DNA from some of the items. Jackson, the man whose DNA matched, had a criminal history “including kidnapping ...