Inventor John Green was murdered at his home in Poole. Dorest detectives need your help to find two men seen scuffling with him in the street. And who did he arrange to meet at a roadside cafe just days before his murder? 

At the start of Crime Prevention Week Crimewatch UK stages an armed robbery and tests three viewers on their observational powers. Could you do better?

The Dorset force are still searching for Jo Ramsden, who has Down's Syndrome and disappeared from the centre of Bridport on 9 April. The Metropolitan police want to find the gunman who shot antiques dealer, Peter Rasini.