Arthur John Shawcross was an American serial killer, also known as The Genesee River Killer in Rochester, New York. He claimed most of his victims after being paroled early following a conviction in the manslaughter of two children, which led to criticism of the justice system. After being arrested in 1972 for the rape and murder of two children, he was able to plead down to a sentence for manslaughter. After 14½ years of incarceration, he began targeting prostitutes. Strangled and battered his victims. Known as the "Genesee River Killer", "Genesee River Strangler", "Rochester Strangler", and "Monster of the Rivers".
