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
Viktor Sotnikov (serial killer) Viktor Sotnikov (serial killer) Viktor Viktorovich Sotnikov (; born 1961) is a Russian serial killer, convicted for the killing of 8 people in Lipetsk Oblast and Tambov Oblast between 2000 and 2011. Viktor Viktorovich Sotnikov was born in 1961, in Gryazi, Lipetsk Oblast, Soviet Union. Sotnikov grew up in an unstable household, and during his childhood he began to torture animals, even hanging the family dog. In his early adulthood he started abusing his parents and sisters, and sold illegal moonshine. Sotnikov was accused of raping two women, but paid the women to drop their accusations. On 30 September 2000,