Overview: Following the work of the Greater Manchester Police, this documentary isn’t the show to look for to tide you over until the next episode of Line of Duty – but it’s intriguing enough, as the dogged team happen upon a Rochdale cannabis farm. Fans of a high-speed chase will not be disappointed, as one pair of car-jackers takes off, and we are introduced to 19-month-old German shepherd Kato, fresh from his tracking-dog training and ready to be let loose on his first suspect. English