Jeffrey Dahmer was an American serial killer and sex offender who committed his crimes between 1978 and 1991. He was known for the gruesome nature of his acts, which included the murder and dismemberment of 17 young men and boys. Dahmer's crimes involved elements of necrophilia and cannibalism, which shocked the public and drew significant media attention. Dahmer was arrested in 1991 after one of his intended victims escaped and alerted the police. He confessed to his crimes, providing detailed accounts of his actions. In 1992, he was sentenced to 15 consecutive life terms in prison but was killed by a fellow inmate in 1994.