For three years, a mass murderer roamed the western United States, stalking and snatching innocent victims from state parks in California. Join True CrimeCast as we explore a listener-suggested case involving the brutal murders and other violent offenses of David Joseph Carpenter, also known as the Trailside Killer. Who were his victims, and why did he spend years terrifying the general public? Did his victims ever receive the justice they deserve? Find out now on True Crimecast.