Watch Ghost Adventures: Serial Killer Spirits series free. Zak Bagans, Aaron Goodwin, Billy Tolley and Jay Wasley embark on a terrifying cross-country journey to document if evil energy lingers within the infamous locations associated with America's notorious serial killers. As they delve into each case, they will retrace the killer's steps, visit known hangouts and speak with leading experts to gain insight on why these sociopaths committed their evil acts.
