On May 10, 2023, Patrick Leon Nicholas was convicted of first-degree murder with special circumstances, and second-degree murder for the 1991 homicide of Federal Way high school student Sarah Yarborough.
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Since his arrest, detectives have identified two additional victims that were sexually assaulted by Martinez when they were juveniles.
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One of the first tasks for the team was to evaluate the possible race and ethnicity of the DNA profile, and they quickly concluded that this Jane Doe was in fact African-American and not Caucasian as investigators originally thought.
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Detectives with the CMPD Cold Case Unit have worked diligently in partnership with two non-profit organizations to identify these victims through forensic genetic genealogy.
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After 47 years, an unidentified homicide victim, found off an highway, has now been identified as Douglas Streeter.
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Officers with the Pershing County Sheriff’s Office responded to the scene and located the human remains inside of a garment bag buried in a shallow grave.
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The Pima County Medical Examiner’s Office brought the case to the DNA Doe Project as part of a collaboration with Ramapo College of New Jersey’s new Investigative Genetic Genealogy Center, an undergraduate certificate program offering practical experience on real cases to its students.
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In October 1991, a hunter was quail hunting in a rural area of Mentone and located a human skull, without teeth and mandible.
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More than two decades after a woman’s body was found at a construction site near Los Angeles, police have identified her as a mother who last had contact with her family in 1981.
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The body of a homicide victim found 27 years ago along Highway 60 has now been identified by the Riverside County Regional Cold Case Homicide Team.
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