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
Francisco Guerrero (serial killer) Francisco Guerrero (serial killer) Francisco Guerrero Pérez (1840–1910), also known as Antonio Prida, was a Mexican serial killer in the late 19th century. He was the first serial killer to be captured in Mexico, although he was not the country's first recorded serial killer. Guerrero killed approximately twenty female prostitutes in Mexico City between 1880 and 1888. He also killed one woman whose status as a prostitute has been inconsistently reported. Guerrero and Jack the Ripper were contemporaries and their modus operandi were similar—some authors compare the two men. He was also known as ""El Chalequero"", ""The Mexican Bluebeard"", ""The