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
Yuri Ivanov (serial killer) Yuri Ivanov (serial killer) Yuri Anufrievich Ivanov (born 1956 in Ust-Kamenogorsk, Kazakh SSR - about 1989), known as the "Ust-Kamenogorsk Maniac", was a Soviet rapist and serial killer. In the span fo 13 years (with a break), he raped and killed 16 girls and women. He committed his crimes in Ust-Kamenogorsk, in the area of the "Combine of silk fabrics" factory. Ivanov worked as driver. He was married, and his own daughter was married as well. Once he returned home from work a day earlier and found out his wife with a lover. After this, he developed a hatred for