In Wiltshire, 17-year-old Ellie Gould was attacked and murdered by her ex-boyfriend. Ellie's parents and friends speak about the tragedy.
The case of 20-year-old Sophie Lancaster, who was attacked and brutally beaten by a gang of teenagers. Sophie's mother and friends talk about the tragic events.
A 17-year-old girl was out with friends in an East London park when she was stabbed by unknown assailants. Fatally, it was a case of mistaken identity.
When a 15-year-old boy was lured to a Liverpool park, tortured and left for dead, it was dubbed the 'Reservoir Dogs' murder. His three killers were 15.