but we know our work is not done. joining us tonight is brandon, a 26-year-old hero. brandon tsay put his college dreams on hold to be at his mom side, his mom side when she was dying from cancer. >> [applause] >> and brandon tsay now works at an advance studio started by his grandparents. two weeks ago, during lunar new year celebrations, he heard the studio door close, and he saw a man standing there, pointing a semiautomatic pistol at him. he thought he was going to die. but he thought about the people inside. and in that instant, he found the courage to act and he wrestled a semiautomatic pistol away from the gunman, who had already killed 11 people in another dance studio. 11. he saved lives.