When kids kill it sends shock-waves through the community. But what drives a child to commit murder? Police evidence, personal archives, and interviews with the victim's loved ones reveal the truth behind the world's deadliest kids.

• Milo Twomey
• Blaze Sims
• Abi Amara
• Heath Muirhead
• Paige Hudson
• Maisie Lovern
• Ryan Sewell
• Rosie Parrish