John is on the trail of fugitive Larry Hicks, accused of murdering a devoted mother of two in Plattsburgh, N.Y.; Callahan heads to Texas to shine the white-hot spotlight on accused predator Steven Leifeste.

In pursuit of Dylan Harrington, John takes on a bone-chilling murder case in remote Washington State.

John joins the hunt for Jovanny Romo Arellanes, who California police say killed his ex-girlfriend; Callahan seeks answers for a family that never gave up hope surrounding a mysterious case involving alleged killer Steven Oboite.

John takes on accused financial fraudster Ruja Ignatova, whose alleged crypto con landed her on the FBI's top ten most wanted list; Callahan heads to Pennsylvania on the trail of Freddy Calle, accused of sexually abusing a teenage girl.