Allison Tongate and Adrienne Tongate

Allison Tongate, left, and Adrienne Tongate describe their brother A.J. Tongate and a goofy man with an infectious smile and a kind and generous heart. "He just helped people and saw the best in people," Allison Tongate said. A.J. Tongate was stabbed to death Jan. 11, 2014, at his Raleigh apartment.