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Levi Bellfield denied his connection to a series of murders and rapes, but videotaped police interviews tell a different story. Experts spot the giveaway signs.

Investigating the shocking case of a double murder carried out in revenge after Chrissie Chambers leaves her partner. As well as the brave young girl who escaped.

A couple, just engaged, is found brutally murdered in a car. Investigators don't have a lead until a surveillance camera gives the police its first break.

A look into the world of forensic science and its use in criminal investigations. From microscopic DNA to ballistics, to hair and fibres.

Every parent's worst nightmare comes true when a girl disappears entirely. But a few seconds of surveillance footage leads cops to a gruesome find.

A teenage girl disappears from a Kansas Mall. The only clue for detectives - the haunting final images of her on surveillance video.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.

Presenting the latest products live on television that can be ordered directly. The product range extends from vacuum cleaners and bath towels to sports equipment.