Genetic genealogy led Florida investigators to a suspect in a 2016 killing, and he has been linked through DNA and other forensic evidence to at least three other slayings from a decade prior, authorities said Monday.
Even with that link, it was a cigarette butt that the suspect dropped at a bus station last week that led to his arrest, court documents indicate.
Robert Hayes, 37, was arrested Sunday without incident. A Palm Beach County judge ordered him held without bail Monday on a...
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