Darkest Hour

Darkest Hour

Available on Investigation Discovery, Food Network, Science Channel, Discovery, TLC, Travel Channel, HGTV, Prime Video, discovery+, Hulu, Sling TV, Animal Planet, Philo, AHC GO, Destination America GO, Discovery Life GO, Cooking Channel
S5 E5: John joins the hunt for Jovanny Romo Arellanes, who California police say killed his ex-girlfriend in cold blood. In Atlanta, Callahan seeks answers for a family that never gave up hope surrounding a mysterious case involving alleged killer Steven Oboite.