iles on genealogical websites. It was previously used to identify the Golden State Killer more than four decades after the case was first opened by identifying DNA from a tissue left in a trash can. The technology has prompted privacy concerns.

McInerney retired in 1987, police said. He then worked for the Federal Public Defender's Office in Reno and Las Vegas until he retired in 2004, according to a Chicago Tribune obituary. He died in 2006.

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Mayes-Osterman is a corps member for The Associated Press/Report for America Statehouse News Initiative. Report for America is a nonprofit national service program that places journalists in local newsrooms to report on undercovered issues.