Gurpreet Singh was living the American dream, with a steady job, three children, and a nice apartment in a good neighborhood. But the dream was shattered when he came home to discover his wife, aunt, and in-laws in a pool of blood, shot to death inside their home. Police body cameras captured the horrific scene as they responded to Singh's hysterical 911 call. The case attracted international attention as hundreds of Sikhs marched to call for justice for the murdered family.