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 was killed for selling amphetamines in the prison for less than the inmate-enforced syndicate price. DeSalvo's papers are housed in the Lloyd Sealy Library Special Collections at John Jay College of Criminal Justice in New York City. His papers include his correspondence, mainly with the members of the Bailey family, and gifts sent to the Baileys of jewelry and leatherwork crafted by DeSalvo while in prison. On July 11, 2013, Boston law enforcement officials announced that DNA evidence had linked DeSalvo to the rape and murder of 19-year-old Mary Sullivan. DeSalvo's remains were exhumed, and the Suffolk District Attorney Daniel