Little Big Man

Jack and the team search for teenager William Hope, who goes missing in a very bad neighborhood after a confrontation with a local bully. Considered a good kid, William was living in a foster home after 18 months on the street and seemed destined for a better life when he disappeared. The squad discovers that his older brother Aaron, recently released from juvenile hall, visited William, despite the fact that his foster family forbade Aaron from being in their home. Jack and the others then learn that William was seen getting into a car with Aaron immediately prior to disappearing, and they fear that the good kid may have gone bad.

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S01E09 - In Extremis