Murder on CCTV, Silent Witness

In Pensacola, Florida, two loving parents are brutally gunned down in their own home. The cop's only witness is one that never lies: surveillance cameras. It's what they must rely on, to catch the killers, and bring them to justice.

Every parent's worst nightmare comes true when a schoolgirl disappears without a trace. But a few seconds of surveillance footage leads cops to the most shocking discovery imaginable.

A teenage girl disappears from a Kansas mall. The only clue for detectives is the haunting final images of her on surveillance video. Somewhere in these frames hides the answer -- and a killer.

In Pensacola, Florida, police investigate the strange disappearance of a reporter, and expose an addictive world of gaming. Across the state, a mum vanishes after a party. Detectives have no leads until cameras begin to spill their secrets.

A newly engaged couple is found brutally murdered in their car parked in a deserted parking lot. To investigators it looks like an execution. There are no leads until a surveillance camera 90 miles away gives the investigation its first break.

A husband and respected businessman vanishes after a meeting. Meanwhile, a young mother doesn't come back from her job search.