Violence befalls Chicago during a weekend of celebration.
Read more...A tragedy occurs at one of New Orleans' most celebrated destinations.
Read more...Violence has a common denominator.
Read more...The attackers were part of a Muslim extremist group.
Read more...This is the third U.S. high school or college shooting in less than three weeks.
Read more...Twitter reacts to "life-saver" John Meis, who stopped a gunman with pepper spray.
Read more...The incident comes only hours after the shootings at Isla Vista.
Read more...The suspect believed to be responsible for the Friday night shooting has been identified as Elliot Rodger.
Read more...Authorities now analyzing bizarre YouTube video from suspected gunman.
Read more...