Season 4

A backyard shed in a Michigan trailer park holds the answers to a dark secret regarding a missing teenage couple. Police interview their families, but one member is evasive, deepening the mystery and setting off a covert manhunt across the Midwest.

A spree shooter is on the loose in Scottsdale, and the entire city holds its breath while waiting for the culprit to be identified. Bodycam footage captures the tension as police try to nab a killer who always seems to be one step ahead.

Donald Lewis is a popular musician who owns a local Jazz Cafe. Despite being beloved in the community, mystery strikes when he suddenly disappears from his jazz club along with his employee. Detectives must find the both of them before it's too late.

31-year-old, Gabriel Montanez is found shot in a liquor store parking lot in Kalamazoo, Michigan. Two men in hooded sweatshirts are seen fleeing from the scene. Police then make a shocking discovery that leads to the truth behind the homicide.

When 27-year-old Byron Edwards is found brutally stabbed in his home, his family is absolutely devastated. But as detectives work to find the person responsible, they discover a single piece of evidence that changes the course of their investigation.

What appears to be a missing person's case, takes a stunning turn when very different portraits of her are revealed. Now, detectives must weed through a series of tangled relationships to uncover where Dawn has been all along.

Shelby Weatherly is found brutally stabbed to death by the side of the motorway, investigators struggle to find a suspect; forensic evidence and reports of a mysterious car lead to revealing images and evidence that point toward the vicious killer.

When 46-year-old Anthony Edwards is found shot in the park, his family has no idea who would want to bring harm to a man that was loved by so many. Using modern technology and forensic testing, detectives are determined to bring his killer to justice.

Roaa Al-Dhanoon has disappeared. What begins as a missing persons case, takes a turn by someone who is closest to her. Now, detectives must unravel a complex web of deceit that continues to strike fear throughout the devastated community.

What starts out as a calm night at the American Legion in Evansville, Indiana, quickly takes a turn when Anthony Blaylock is shot dead. But when detectives obtain video surveillance showing who is responsible, they stop at nothing to find his killer.