Albert DeSalvo F. Conley said he expected investigators to find an exact match when the evidence is compared with his DNA. On July 19, 2013, Suffolk County DA Daniel F. Conley, Mass. Attorney General Martha Coakley and Boston Police Commissioner Edward F. Davis announced that DNA test results proved DeSalvo was the source of seminal fluid recovered at the scene of Sullivan's 1964 murder. Though DeSalvo was conclusively linked to Mary Sullivan's murder, doubts remain as to whether he committed all of the Boston Strangler homicides — and whether another killer could still be at large. When he confessed, people who knew
Serial killer payment of debts, embezzlement and other crimes of a similar nature. Dorothea Puente was finally arrested on a parole violation, having been on parole for a previous fraud conviction. In 2016, the oldest prosecution and conviction of a suspected serial killer (Felix Vail) took place in Louisiana. He was convicted of murder 54 years after his wife's death in 1962, which had originally been ruled an accidental drowning, and which occurred only months after Vail took out two life insurance policies on her. He is a suspect in the disappearances of two other women – his girlfriend in 1973 and