Season 12

In 2017, Alisha Canales-McGuire is shot dead at her sister's house. Evidence points to a targeted attack, but detectives can find no reason why anyone would kill Alisha until CCTV leads to a tangled murder plot and a cruel twist of fate.

A motorist shoots dead Whitney Gray while she shops with her young kids and teenage niece. Detectives follow a trail of CCTV to track down the suspect car and discover that the killer is on the run and carrying a stash of weapons.

In 2010, 3 men are murdered in a convenience store in Minneapolis's Somali community; the store's CCTV system uncovers evidence of a robbery gone wrong, and footage from cameras around the city could offer clues to the killer's identity.

On Valentine's Day, Police discover Demetrius Graves fatally stabbed on the street. Two Days later, Bonnie Ross turns up dead at home. A trail of CCTV evidence uncovers that these two very different people share one fateful connection.

In 2018, an explosion kills Anthony House on his doorstep; as police investigate, another bomb kills teen Draylen Mason; it becomes clear that Austin, Texas, is under attack from a serial bomber and police must use CCTV to track him down.

Choir director Kathy Blair's son discovers her murdered at home; detectives find camera footage showing a shadowy figure that might just be their killer; the murder of a couple nearby sparks fears this might be the work of a serial killer.

In 2017, in San Diego, 28-year-old musician Omar Medina goes missing; his family's worst fears are confirmed when his body turns up in a barrel floating in the bay; police turn to surveillance footage to track down the people responsible.

In 2018, 3 women held hostage in a motel room by armed men face a night of terror that leaves 19-year-old Amber Meadows lying dead in the bathroom; detectives must follow a trail of surveillance footage to find out who pulled the trigger.

In 2020, Dioneth Lopez goes missing while on a trip to visit friends; her body turns up in the woodlands of Washington State; she is treated as a Jane Doe until detectives find surveillance footage that pieces together her final hour.

In 2021, high school football star KJ Taylor is killed during a drive-by shooting outside a West Virginia convenience store; CCTV helps detectives follow the trail of the truck spotted stalking KJ's friends leading up to the shooting.