Seung-Hui Cho , an undergraduate student at the university and a U.S. resident of South Korean origin , shot Use_firearm and killed Killing 32 people and wounded Bodily_harm 17 others with two semi-automatic pistols .

the 2011 white house shooting occurred Coming_to_be on november 11 , 2011 , when oscar ramiro unk , an unemployed 21-year-old man , fired Use_firearm a semi-automatic rifle at the white house , the official residence of the u.s. president in washington , d.c. at least seven bullets hit the second floor .

Several officers also appropriated AR-15 and other semi-automatic rifles from a nearby firearms dealer .

The shootings Use_firearm , committed Commitment using Using a handgun and two semi-automatic rifles , occurred Coming_to_be at several locations , including a school he had once attended .

The Firearms ( Amendment ) Act 1988 was passed in the wake of the incident , which bans the ownership of semi-automatic centre-fire rifles and restricts the use Using of shotguns with a capacity of more than three cartridges .

The prosecution argued Quarreling that , motivated by a large inheritance , Bamber had shot Use_firearm the family with his father 's semi-automatic rifle , then placed Placing the gun in his unstable sister 's hands to make it Causation look like a murder–suicide .