Investigation Discovery HD (Pacific)

Albuquerque, N.M., mail carrier Marilyn Gandert disappears for days and no one knows where she has gone; when her body is found in the desert, detectives must find the murderer, and they only have a few witnesses beyond Marilyn's family members.

Michelle Kinney is found murdered in her apartment in Dubuque, Iowa, puzzling her neighbors; local detectives unearth a haunting truth, leading to a shocking confession from an unlikely murderer.

When the battered body of Bianca Rainer, mother of two young girls, is found in rural Arkansas, the police have just one unusual clue, a puzzle piece found stuck to her body, but they know if they find the missing puzzle, they will find her murderer.

When Brad McGarry is discovered murdered in his Ohio basement, residents in this sleepy coal mining town are left in shock; detectives suspect robbery until a friend comes forward and points them in the direction of someone whom they least expected.

Judith Therianos is a free spirit who wants to see the good in everyone; after her body is found in a wooded area, detectives unearth video surveillance that shows her alone and unaware of the danger she faces moments before her life is cut short.

After coin collector Billy Shuler is found murdered, the case slowly unravels until someone comes forward to identify his killer.

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

In 2018, three 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 2021, talented 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.

In 2016, in Kamloops, Canada, a motel cleaner finds the body of an unidentified woman in one of the rooms; detectives turn to surveillance cameras to track a mysterious suspect in a cowboy hat, leading to a desperate manhunt across Canada.

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, a killer shoots 33-year-old restaurant worker Joshua Webb outside an apartment block in Beckley, W.V.; to solve the murder and identify the culprit, police must unravel a web of lies by following a trail of security footage.

In a home in downtown Baltimore, a man finds 24-year-old father and youth worker Dion Smith executed with a shotgun. The other residents are cagey, but a suspicious visitor is singled out thanks to telling CCTV outside the victim's door.

In the fall of 2003 in Hammond, Indiana, a string of disappearances leads detectives to a seemingly ordinary trophy shop worker, and a horrific discovery in his basement reveals him to be a sadistic serial killer who has been preying on the town's teens.