This is the story of the unknown person responsible for the Boston Strangler murders that occurred in the Boston area between 1962 and 1964. The identity of the killer remains unknown, but the case has been the subject of intense speculation and investigation for decades. The murders remain unsolved and the Boston Strangler
From Wikipedia
The Boston Strangler is the murderer of 13 women in Greater Boston during the early 1960s. The crimes were attributed to Albert DeSalvo (1931–1973) based on his confession, on details revealed in court during a separate case, and DNA evidence linking him to the final victim.