Assault Weapons Should Be Banned

In December 15, 1791 the second amendment was adopted. The 2nd amendment clearly said United Stated citizen in America have the right to bear arm and protect themselves. As in the 21th century gun, assault weapon, rife etc. Are easily to purchase right out of the store. An assault weapon can cause danger in public like any other mass killer. We should institute assault weapon banned, because it is extremely dangerous when it is semiautomatic weapon, which can fire several bullet per seconds. The mass shooter has dramatically increase from 1990-2012. As citizen in America I believe we should check the personal record, when people are purchasing any type of gun. If allowing someone with a criminal record and purchasing a weapon, with another