In the leafy suburbs of Luton, a man's caught on CCTV launching a brutal assault on three women. Soon he's all over Facebook as officers race against time before the suspect goes to ground.
A violent daytime brawl with knives erupts on the streets of Luton as a chicken shop war heats up. But the case takes an even more disturbing twist when a police raid lands a huge cache of drugs.
In the first part of a two-part special, a lone detective sets off on the trail of a Luton man who sexually abused scores of young people, in what becomes a complex, disturbing pursuit.
In the gripping concluding part of this special edition, will the victims of alleged historic child sex abuse finally get justice? Or will the suspect walk free again?
On a quiet Sunday lunchtime in a Cambridgeshire suburb, a man lies bleeding to death. A major manhunt is triggered, where the strength of family blood ties is brutally exposed.
The season concludes with the case of a baby with suspicious injuries that may have been harmed by its parents. These cases are particularly hard to investigate as there are never witnesses. If a crime has been committed, the only hope of prosecution is if the parents give themselves away - so they must be observed closely while the child is in hospital.
