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 remaining population. Authorities exhumed DeSalvo's remains later that month and confirmed the DNA match. DeSalvo was born in Chelsea, Massachusetts, to Frank and Charlotte DeSalvo. His father was a violent alcoholic, who at one point knocked out all of his wife's teeth and bent her fingers back until they broke in front of their children. DeSalvo tortured animals as a child, and began shoplifting and stealing in early adolescence, frequently crossing paths with the law. In November 1943, the 12-year-old DeSalvo was first arrested for battery and robbery. In December of the same year he was sent to the Lyman