Mass shootings in US history

Two mass shootings in Texas and Ohio killed a total of 31 people. Take a look at some of the other worst mass shootings in U.S. history.

Capital Gazette suspect barricaded entrance, prosecutor says

The accused gunman in the deadly shooting at Maryland's Capital Gazette newspaper barricaded the back entrance of the paper's office so people could not escape as he began "systematically hunting and killing," Anne Arundel County State's Attorney Wes Adams said Friday.