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
Albert DeSalvo life: "My goal was to see the Strangler wind up in a hospital, where doctors could try to find out what made him kill. Society is deprived of a study that might help deter other mass killers who lived among us, waiting for the trigger to go off inside them." DeSalvo was sentenced to life in prison in 1967. In February of that year, he escaped with two fellow inmates from Bridgewater State Hospital, triggering a full-scale manhunt. A note was found on his bunk addressed to the superintendent. In it, DeSalvo stated he had escaped to focus attention on