bundy had antisocial personality disorder. he went on trial on june 25 until july 31 for the murders he had committed. he was sentenced to 3 death sentences, and was going to be executed by the electric chair. in the time he was in prison and waiting to be executed he helped the police investigate other murders and in 1988 he admitted to having killed eight more women than he was tried for. bundy was executed by the use of the electric chair at the florida state prison on january 24, 1989. he was 42 years old.