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 far more likely suspect in the Strangler murders than DeSalvo. Several followers of the case have also declared Nassar to be the real Strangler, claiming that he fed details of the murders to DeSalvo. DeSalvo, they speculated, knew that he would spend the rest of his life in jail for the "Green Man" attacks, and "confessed" so that Nassar could collect reward money that they would split—thus providing support to DeSalvo's wife and two children. Another motive was his tremendous need for notoriety. DeSalvo hoped that the case would make him world-famous; Robey testified that "Albert so badly wanted to