This is the chilling moment a teenager smirked after buying the shotgun he used to kill his mother and two siblings in a ...

Killer Nicholas Prosper faked an interest in clay pigeon as a cover story to convince the legal dealer he paid £650 for a shotgun and 100 cartridges. | ITV News Anglia ...

He was unaware the exchange was being watched by detectives from GMP's Serious and Organised Crime Group. Article continues ...