Investigators and police officers testified Wednesday in Hall County Superior Court at the trial of a Gainesville man charged with more than 20 counts of child sex crimes and controlled substance violations. Christopher Thomas Ray, 31, pleaded not guilty to all charges against the alleged victims who were brothers aged 10 and 12 at the time. He is charged with seven counts of aggravated child molestation, six counts of child molestation, one count of enticing a child for indecent purposes, one count of possession of Lorazapam (a tranquilizer) with intent to distribute, one count of attempt to violate the Georgia controlled substances act and 10 counts of sexual exploitation of children.