Suspect in decades-old rape and murder cases in Maryland finally identified through DNA and genetic genealogy.
The man behind a 1989 rape and a 1994 rape and murder in suburban, Washington, D.C., has finally been identified through DNA and genetic genealogy, according to local police.
But the suspect, Kenneth Earl Day, died in 2017 in West Virginia at the age of 52, the Montgomery County, Maryland, Police Department said Friday.Kenneth Earl Day, the suspect in a 1989 rape and a 1994 rape and murder, died in 2017. Authorities said he was also behind the rape and strangulation of Le Bich-Thuy, whose body was found near her Rockville home on October 3, 1994.DNA was recovered at the scenes and authorities determined the same suspect committed both crimes, police said. But when the suspect's DNA was entered into CODIS -- the Combined DNA Index System, a law enforcement database -- there was no match, and the cases went cold, police said.
In 2017, cold case detectives reached out to DNA technology company Parabon NanoLabs, and using the suspect’s DNA left at the crime scenes, Parabon analysts created a composite of what the suspect might have looked like, police said. Investigators released that image to the public, hoping someone would recognize him, police said.Then, Parabon used the suspect's DNA in a novel investigative technique known as genetic genealogy.
This allows police to create a much larger family tree than using DNA submissions to law enforcement databases like CODIS, in which an exact match to the suspect is needed in most states, according to CeCe Moore, chief genetic genealogist with Parabon.
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