Law & Order: Special Victims Unit - Season 12 Episode 11 : Pop

A young boy is found dead on a park carousel after being dropped off by his uncle Joe Gilbert. When Detectives Benson and Stabler learn that the boy was beaten to death they suspect that it could be the result of a bully at school. The investigation leads to an unsettling gambling ring. Detectives suspect that Gilbert's acquaintance, Joe Roberts is beating his wife Sandra and the case takes a horrifying turn.