Have you ever wondered why teens kill? Phil Chalmers, America’s leading authority on juvenile homicide and juvenile mass murder, may have the answer to that question this Thursday, May 15, at 6 p.m. at McMinnville Civic Center.The event is a free public awareness presentation sponsored by Warren County Board of Education and District Attorney General Lisa Zavogiannis.“The message and information Mr. Chalmers will deliver to our community is extremely important in today’s society,” said Zavogiannis. “I think it is safe to say there are very few days that we do not hear of a juvenile committing an unthinkable crime in America.