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
Pedro López (serial killer) Pedro López (serial killer) Pedro Alonso López (born 8 October 1948) is a Colombian serial killer, who was sentenced for killing 110 girls, but who claims to have raped and killed more than 300 girls across Colombia, Peru, Ecuador, and potentially other countries. Aside from uncited local accounts, López's crimes first received international attention from an interview conducted by Ron Laytner, a longtime freelance photojournalist who reported interviewing López in his Ambato prison cell in 1980. Laytner's interviews were widely published, first in the "Chicago Tribune" on Sunday, 13 July 1980, then in the "Toronto Sun" and "The Sacramento Bee"