A terrifying and fascinating journey into the disturbing lives of children who commit acts of murder. Through first hand eyewitness accounts, psychological investigation, and edge of your seat re-enactments, this new series explores what motivates a child to engage in horrific, sometimes unbelievable criminal acts. In this episode, the lives of the Swartz parents come to a shocking end when one of their adoptive sons unexpectedly explodes and goes on a homicidal rampage. Then, when a drug deal goes wrong, two teenage siblings seek revenge by going on a brutal killing spree in a Nevada trailer park.