8/15. A vehicle's satnav puts a pair of prolific animal thieves behind bars, and an anonymous letter holds the key to the identity of a blackmailer on a mission to poison babies. Also in HD. [S]
7/15. A wedding video helps crack the case of a teenage abduction, and an expired pilot's licence exposes a fraudster flying under the radar. Also in HD. [S]
6/15. A scribbled name in a discarded notebook is the key to putting a dangerous driver behind bars, and the serial numbers on stolen bank notes crack the mystery of a dangerous gang. Also in HD. [S]
5/15. A plastic bag heat sealer convicts an online drug trafficker, and a casual chat with a criminal, plus a map, join the dots to catch three burglars terrorising a neighbourhood. Also in HD. [S]
4/15. How a single glove reveals the identities of a prolific and violent gang, and an image of a distinctive ponytail solves a hi-tech bank heist. Also in HD. [S]