Surveillance video shows two elderly women walking down a street in Brooklyn, New York, when they’re assaulted with tremendous force. Police said it was a homeless man who went on the rampage. The man approached a woman pulling a shopping cart and shoved her to the ground. Her head smashing into the building. He then punched the other woman right behind her. Within seconds, a Good Samaritan who had just passed by runs after the attacker and eventually tackles him to the ground and holds him as witnesses call police. Once police arrived, the Good Samaritan, who is also homeless, rushed over to check on the two injured women and explained what happened to responding officers. The homeless attacker, who is in his 60s, was arrested and is undergoing a psychiatric evaluation. The two injured women were treated at at a hospital and were released.