TRAILER
In Pursuit With John Walsh
Wednesdays 10 ET

John Walsh and son Callahan showcase time-sensitive, unsolved cases in desperate need of attention. WATCH NOW›
TRAILER
Someone You Thought You Knew
Tuesdays 10 ET

Homicide cases usually don't involve perfect strangers, and victims frequently know their killers. WATCH NOW›

TRAILER
In Pursuit With John Walsh
Wednesdays 10 ET

John Walsh and son Callahan showcase time-sensitive, unsolved cases in desperate need of attention. WATCH NOW›
TRAILER
Someone You Thought You Knew
Tuesdays 10 ET

Homicide cases usually don't involve perfect strangers, and victims frequently know their killers. WATCH NOW›

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