Deadliest school shootings in U.S.
Feb. 27, 2012: Chardon High School Feb. 27, 2012: Three students were killed and two wounded in a shooting spree that started in a school cafeteria in Chardon, Ohio, as students waited for buses to other schools. Police charged T.J. Lane, who was 17 at the time, as an adult. Pictured: A distraught Ava Polaski, a sophomore, leaves school grounds with her mother Misty Polaski following the shooting on Feb. 27, 2012.
Other Slideshows
PHOTOS: Behind the scenes 
I-5 bridge over Skagit River collapses, cars with people in water
Peek Inside: Stan Musial's $1.8M Ladue home for sale
Dresses Kellie Pickler wore on 'DWTS'
Photos: Warming up for Senior PGA Championship at Bellerive
Remains of KC-135 airmen return to Fairchild AFB
