Halloween Horror

Halloween Horror

Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, Hulu, Sling TV, Max, Animal Planet, Philo, AHC GO, Destination America GO, Discovery Life GO, Cooking Channel
S1 E4: A hippie grandpa goes missing on Halloween and turns up in his van - dead - on Elm Street. Detectives look into who might have killed this beloved family man, only to find they are on the trail of someone who has most likely killed before.