She had multiple stab wounds on her back, head and arm, and told officers her brother stabbed her. She told officers her sister was still in the house, the report said. The woman told police she was finally able to push him away and call police. Please help my sister,” the arrest report said the woman told neighbors. He told investigators he used a brass knuckle knife to stab his sisters because a “higher power" told him it was “his purpose," the report said.