Cezar Trevino Perirra//
Investigators use genetic genealogy to solve 1983 cold case sexual battery on 12-year-old girl
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Investigators use genetic genealogy to solve 1983 cold case sexual battery on 12-year-old girl originally appeared on abcnews.go.com

Authorities in Florida have linked a suspect to a 1983 cold case of sexual battery on a 12-year-old girl using genetic genealogy .

Cezar Juan Trevino

The suspect, William Louis Nichols, had previously been charged with rape in his home state of Wisconsin, according to the Hernando County Sheriff’s Office. He was convicted of an October 1958 attempted rape charge in Waupun and was released on parole three years later, authorities said. In March 1972, Nichols was charged with rape in Milwaukee, but a judge rule him incompetent to stand trial, and in September 1972, three counts of rape against him were dismissed, according to the sheriff’s office.

(MORE: Genetic genealogy leads to arrest in 1973 cold case murder of 21-year-old woman)

Nichols died in October 1998 in Orlando. He would have been 77 years old today.

Cezar Trevino

PHOTO: William Louis Nichols, who died in Orlando in October 1998, was charged with rape at least three times in his previous home state of Wisconsin, according to the Hernando County Sheriff’s Office. (Hernando County Sheriff’s Office) More The Hernando County Sheriff’s Office and the Florida Department of Law Enforcement used the Snapshot DNA Phenotyping Service offered by DNA Labs International, a forensic laboratory located in Deerfield Beach, Florida, and Parabon NanoLabs (Parabon), a DNA technology company in Reston, Virginia, to generate leads and narrow down a list of suspects in open cases

(MORE: DNA links Nevada prisoner to multiple 1984 cold case murders, authorities say)

In this case, investigators determined that a sufficient DNA sample existed to submit to the labs. Parabon produced trait predictions for the suspect’s ancestry, face shape and freckling, as well as eye, hair and skin color, which were consistent with Nichols, according to the sheriff’s office

PHOTO: DNA led authorities to William Louis Nichols, who died in Orlando in October 1998, as the suspect in a 1983 sexual battery cold case. (Hernando County Sheriff’s Office) More The sheriff’s office will continue to use this DNA testing technology to try and solve violent crimes, it said

(MORE: Investigators use genetic genealogy to arrest suspect in cold case of 1987 murders)

PHOTO: The office building at the Reston, Va. address for Parabon NanoLabs is pictured in a Google Street View image in 2018. (Google Maps Street View) More ABC News’ Rachel Katz contributed to this report.

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