U.S. Capitol has a long history of violent incidents

Thursday’s shooting in front of the U.S. Capitol is by no means the first violent incident to occur in the place where the legislative branch at least theoretically conducts its business. In fact, the halls of Congress have routinely been a target for those determined to carry out acts of ill will, some motivated by a political agenda, and others by mental iillness. Here’s a look back.

Feb. 17, 2012

Moroccan national Amine El Khalifi was arrested in a sting operation conducted in a Capitol Hill parking garage and later pleaded guilty to planning a suicide terrorist attack on the U.S. Capitol. At the time of his arrest, Khalifi was wearing a vest he thought was packed with explosives and was carrying an automatic weapon....