Albert DeSalvo Sullivan. Nine days later, investigators announced that the comparison of crime scene evidence and DeSalvo's DNA "leaves no doubt that Albert DeSalvo was responsible for the brutal murder of Mary Sullivan". George Nassar, the inmate DeSalvo reportedly confessed to, is among the suspects in the case. He is currently serving a life sentence for the 1967 shooting death of an Andover, Massachusetts, gas station attendant. In 2008 and again in 2009, the Massachusetts Supreme Judicial Court denied Nassar's appeals of his 1967 conviction. In 2006, Nassar argued in court filings that he had been unable to make his case in
Władysław Mazurkiewicz (serial killer) Władysław Mazurkiewicz (serial killer) Władysław Mazurkiewicz (January 31, 1911 – January 29, 1957) was a Polish serial killer from the post–World War II Kraków, who also owned property in Warsaw. His economic standing and polite manners in Stalinist Poland earned him the nickname "the Gentleman Murderer" ("elegancki morderca"), also ""piękny Władek"" (the Handsome Władek). Mazurkiewicz was arrested in 1955 and charged by the prosecution with six murders and two more attempted murders. He was convicted of killing four men and two women including Wiktor Zarzecki, Władysław Brylski, Józef Tomaszewski, and millionaire Jerzy de Laveaux along with his wife Jadwiga de