how long was ed gein in the mental hospital

Ed Gein was institutionalized in a mental hospital for the rest of his life after his arrest in 1957. Initially, he was committed to the Central State Hospital for the Criminally Insane in Waupun, Wisconsin. Later, he was transferred to the Mendota Mental Health Institute in Madison, Wisconsin, where he remained until his death in 1984. This means he spent about 27 years in mental health institutions following his conviction and ruling of insanity.