Friendly Fire

19-year-old Tyarra Williams vanishes from the parking lot of her Greensboro, North Carolina apartment complex. When tips suggest that Tyarra may have fallen prey to human trafficking, her grandfather embarks on a cross country search for answers.

Callahan takes on the murder of a dear Walsh family friend, Lindsay Harris.

A 13-year-old vanishes while walking to her school bus stop in Nashville.

John Walsh explores the case of youthful con man Edgardo Perez, who allegedly preyed on older men until it turned deadly. Callahan travels to Boulder where teenage babysitter Chris Deininger confessed to abusing 29 kids in his care before fleeing.

Elaine Park is never seen again after leaving her boyfriend's apartment.

Parents of a teenage girl are found dead inside their home.

A pediatric ophthalmologist is found dead in the parking lot of his office.

When a young woman goes missing, friends and family suspect foul play.

When a woman is found dead, friends and family suspect foul play.

When a boy is kidnapped, agents are on a mission to find the perpetrator.

Discover what ensues after a series of bombings leave two people dead.

When a man's wife is reported missing, investigators suspect foul play.

A woman's murder leaves investigators at a crossroads during the case.

Investigators are determined to find the culprit of a senseless crime.

A tip on a case leaves investigators determined to find the culprit.

When a young woman is reported missing, investigators suspect foul play.