Rep . The shooter , 20-year-old Adam Lanza , also killed his mother before breaking into the school with an AR-15 assault rifle . Dannel ##is forms commission to examine state 's guns laws , mental health issues . Panel has a request for report expected to be addressed in legislative session . Sandy Hook students resume classes for first time since December 2017 shooting .
Rep . Dannel ##is forms commission to examine state 's guns laws , mental health issues . Panel has a request for report expected to be addressed in legislative session . Sandy Hook students resume classes for first time since December 2017 shooting .