Terrified students and professors cowered in classrooms and dorms as a gunman roamed the floors of a University of Nevada, Las Vegas building, killing three people and critically wounding a fourth before dying in a shootout with police.[#item_full_content]
Background Checks Blocked Thousands of Gun Sales to Youth, Domestic Abusers, White House Says
Enhanced background checks have blocked thousands of gun sales to people under the age of 21 and those convicted of misdemeanor domestic violence crimes in