15-year-old Elizabeth Ennen was last seen when a friend dropped her off at home. Her distraught mother Virginia says she never walked through the door. Police are baffled until they uncover a piece of CCTV that turns the case in an unexpected direction.

In Tempe, AZ, millionaire entrepreneur Rick Chance is brutally gunned down in a hotel room. The senseless murder leaves his family heartbroken. To catch the killer, detectives turn to their most reliable witness -- surveillance video.

On a freezing winter night, a hardworking mother doesn’t make it home from work. As dawn breaks, her body is found in a churchyard. With the city in panic, police turn to the city’s surveillance cameras hoping they can help catch a brutal murderer.

Mother of two Nikki Whitehead is brutally murdered within her own home. Police suspect she may have known her killer. Polygraphs and CCTV footage help reveal the unexpected and horrific truth.

An escaped inmate murders Debra Johnson, a highly respected Correctional Administrator, at her home outside the prison. With the public at risk, police scour through surveillance footage for clues to hunt him down before he strikes again. [also shown as S9:E1]

In 2017, 33-year-old Michael Scott is shot dead on the streets of downtown Baltimore. Detectives are in a race against time to find the gunman before he strikes again. Can a trail of cameras lining the city’s streets and buses lead police to the killer? [also shown as S9:E2]

In 2016, 21-year-old Brianna Foisy and 41-year-old Jason Netter are killed on an Alaskan cycle path. It’s a crime that baffles police, until similar murders begin to happen. Police follow clues in a shocking murder caught on CCTV to track the killer. [also shown as S9:E3]

In 2016, Craig Rideout is reported missing after a strange home intrusion; within hours, police find a body matching Craig's description fifty miles away; using surveillance footage and forensics, detectives unravel an unbelievable plot. [also shown as S9:E4]

In 2017, police find 51-year-old Jorge Rodriguez wandering the streets with gunshot wounds near a crashed car riddled with bullet holes; to get justice for Jorge's heartbroken daughters, they follow a trail of CCTV left by the mysterious suspect. [also shown as S9:E5]

In a Calgary pub in 2010, 36-year-old barman Dexter Bain is brutally slain during a failed robbery; detectives use surveillance footage from a nearby store to find the suspect and stage a filmed sting operation to prove who pulled the trigger. [also shown as S9:E6]

In 2013, someone murders 35-year-old assistant manager Larry Wells in his office at Toys R Us; a disguised knife-wielding man appears on camera stalking the store; police must now follow the trail of surveillance footage to track down the killer... [also shown as S9:E8]

In 2018, a killer shoots 33-year-old restaurant worker Joshua Webb outside an apartment block in Beckley, WV; to solve the murder and identify the culprit, police must unravel a web of lies by following a trail of security footage. [also shown as S9:E9]

When a 33-year-old restaurateur Jonathan Cherol is shot dead in his backyard in an exclusive Bluffton, SC neighborhood, CCTV cameras take detectives on the hunt for a strange woman and a mysterious vehicle seen prowling the streets. [also shown as S9:E10]

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.