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
My Brother the Serial Killer on their own." Variety gave "My Brother the Serial Killer" a positive review, praising the documentary for "eschewing cheesy shock effects in favor of incisive commentary from family, law enforcement, press and even victims' friends". IndieWire criticized the documentary as not making much sense and for using the viewpoint of Clay Rogers rather than through one of someone more distanced from Rogers or the crime. My Brother the Serial Killer My Brother the Serial Killer is a 2012 American television documentary about serial killer Glen Rogers, otherwise known as the "Casanova Killer", who was convicted for a series of murders