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

A couple, just engaged, is found brutally murdered in a car. To investigators it looks like an execution. No leads until a surveillance camera 90 miles away gives the investigation its first break - a killer bent on revenge. It's a race against time.

Pensacola, FL.- two murders, one witness:Police investigate the strange disappearance of a reporter and exposed to an addictive world of gaming.Across state a mom vanishes after a party. Detectives have no leads until cameras begin to spill their secrets.

A husband and respected businessman vanishes after a meeting. Meanwhile a young mother doesn't come back from her job search. Cops can only rely on one witness-one that never lies-surveillance cameras.

In Pensacola Florida, two loving parents are brutally gunned down in their own home. The cop's only witness 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.