Mental Experts Testify in Fla. Teen Beating Trial Mental health experts are testifying about the deep impact of trauma on the psyche of a Florida teenager on trial for a brutal attack that nearly killed a 15-year-old girl. The defense experts say the suicide of 17-year-old Wayne Treacy's brother triggered post-traumatic stress disorder that affected his emotions, personality and made his once-excellent grades nosedive. Treacy is claiming innocence by reason of insanity in the March 2010 kicking and stomping attack on Josie Lou Ratley. The defense case is continuing Thursday, a day after the prosecution rested. Ratley suffered permanent brain injuries after the attack. It happened after the two exchanged a series of vulgar and insulting text messages. In one of them Ratley made a reference to Treacy's dead brother. Treacy faces 50 years in prison if convicted.