An Excuse to Kill Somebody (S06E08)

The quiet town of New Hampshire is left reeling when four teenagers are taken into custody for the brutal robbery and killing of a 42-year-old mother, alongside severely injuring her 11-year-old daughter. As detectives delve deeper into the case, they uncover that two of the assailants are not just common criminals, but rather, cold-blooded psychopaths with a chilling disregard for human life.