Mud Sticks is the 667th episode of The Bill
Morgan goes to interview a stabbing victim who was going to see a prostitute. The victim tells her there was a man with a camera taking photos of the cars stopping down the street who just turned his back. Jo talks to some of the prostitutes who say that phone boxes where their cards have been left have had their cords cut possibly by the photographer. She also talks to a passerby about it and she says the feeling in the street has changed.