Season 4

In 2016, Jordie Hudson vanishes after a night out with friends. The only clue police have is her glasses, which are discovered in a pool of blood. Surveillance footage shows a horrific attack. Can police find her abductor before it's too late?

On April 12th 2008, Susan Casey vanishes after a night out. The only clues left behind are suspicious drag marks outside her home. CCTV footage reveals three different suspects on the scene. Which one is lying and who can tell police where she is?

Cynthia Langrall is shot dead during her morning jog through the normally peaceful Hillcrest Ranch neighborhood in Glendale, AZ. Home surveillance footage enables detectives to identify the shooter's vehicle.

The News Year's disappearance of Michelle Thornton leads to a gruesome discovery. With no witnesses, only the four security cameras from her apartment building can help decipher what happened.

On September 17, 2015, Edward Lowry is found savagely beaten and stabbed to death in a parking lot in South Dakota. With little evidence left behind at the scene, police painstaking piece together Ed's last moments from CCTV in a race to find his killer.

On December 23, 2009, Beth von Steinner goes missing. Days later, her frozen body is found in a trash pile behind her house. With no witnesses or suspects, only CCTV footage can unlock the mystery of who killed her.

On December 10, 2011, 60-year-old social worker Francis "Maurice" Byrd is found dead in his home with multiple gunshot wounds. Security footage from a neighboring church reveals that prior to his body being discovered, Maurice had many visitors.

On August 6, 2011, Dalene Carlson vanishes during a Saturday night on the town. Security footage from a local bar reveals a number of potential suspects, each with a motive. Can police figure out which one knows the truth about what happened to her?

On February 14, 2014, pregnant college student Loretta Saunders vanishes without a trace. Her trail runs cold after she is spotted on CCTV at her apartment building. The race is now on to find her before it's too late.

On September 28, 2014, Diane Cunningham is bludgeoned to death in her bedroom. The only clues are receipts from Walmart, a ferry crossing, and a casino. Security footage reveals a prime suspect with a motive, but not everything is quite as it seems.

On June 12, 2013, family man Richard Arenas is gunned down in broad daylight in the driveway of his suburban home. With no apparent motive or witnesses, investigators will try to track down this cold-hearted killer on CCTV.

On February 18, 2014, Emily Lambert goes missing after spending the night at a hotel bar with her new boyfriend. Two days later, she's found murdered on remote farmland. Detectives scour CCTV footage from the hotel and bar searching for her killer.

On December 26, 2011, Hope Melton vanishes after being run off a country road. CCTV footage from a nearby gas station reveals a suspicious orange car that seems to have followed her out of the parking lot. Police hope they can find Hope before it's too late.

On December 2, 2014, Rhonda Daugherty vanishes. Detectives turn to the public for information on her mysterious disappearance. A tip leads investigators to surveillance footage from a hotel where they uncover a journey of duplicity and deception.

On August 15, 2015, police are alerted to the body of Fernando Silva on a boat. With the crime scene revealing little about what caused his death, police turn to surveillance footage for clues. Will the cameras help them find out what really happened?

In the early hours of September 28, 2011, student Maple Batalia is found shot dead in the parking lot of Simon Fraser University. With over a hundred cameras at their disposal, detectives dig through the footage and race to figure out who killed Maple.