Reporter Tazeen Ahmed investigates a crime described by a senior police officer as 'the most vicious, pre-meditated form of crime I have come across short of homicide or terrorism'.
She meets Chloe, now 22, but groomed over a period of months when she was just 12, before being subjected to sustained abuse and gang rape: 'they would lock me in a bedroom and just send man after man in.'
Tazeen also talks to the parents of another 12 year old who had no idea their daughter was being so viciously exploited and meets two men very close to a grooming gang who explain the economics.
A difficult and controversial subject, but one that can't be ignored. It's on Channel 4 at 10:30 tonight and will be available on 4OD afterwards.