Police: Newtown Teacher Brought Gun to School Jason Adams was arrested, charged By Newser Editors and Wire Services Posted Apr 6, 2016 4:57 PM CDT 97 comments Comments This booking photo released by the Newtown Police Department shows Jason Adams, arrested Wednesday, April 6, 2016, and charged with having a gun at the town's middle school. (Newtown Police Department via AP) (Newser) – Police say a teacher was arrested Wednesday for bringing a gun to the middle school in Newtown, Conn., the same town where, on Dec. 14, 2012, a gunman shot and killed 20 students and six educators at nearby Sandy Hook Elementary School. The 46-year-old teacher, Jason Adams, has a valid pistol permit, but Connecticut state law prohibits possession of firearms on school grounds. Adams was detained by school security after he was seen with the gun and then arrested by Newtown police who were called to Newtown Middle School, according to Police Chief James Viadero. Adams was charged with possession of a weapon on school grounds and released, the AP reports. Adams has been placed on administrative leave pending an investigation, according to the Newtown public school system, which said in a statement that it has been working closely with local police. "This matter is very serious and troubling, both the Newtown Public School system and the Newtown Police Department took immediate steps to address the matter," the school system said. Newtown police said the department has contacted the state's weapons licensing and permit unit to make them aware of the arrest. Since the Sandy Hook shootings, armed school security officers have been placed at every Newtown school, the Hartford Courant reports. After another teacher saw Adams allegedly carrying the weapon while there were no students in the building due to a two-hour delay, he alerted school officials and the school security officer disarmed Adams.