Freight Train: Slayer of Innocence (2017)

This documentary details the investigations into the disappearances and murders of several young boys throughout the Midwest in the 1970s. Detectives conducted a nine-day, twenty-four-hour surveillance of a suspect for several hundred miles with a team of police officers from several agencies. With William 'Freight Train' Guatney in custody the kidnappings and murders of young boys stopped.