01/11/2011 05:36 pm ET Updated May 25, 2011

Arizona Shooting: Boxer Calls For Tougher Federal Gun Laws

Sen. Barbara Boxer (D-Calif.) on Tuesday called for tougher federal gun laws, including banning large ammunition clips and federal regulations on concealed weapons permits, in the wake of the shooting rampage in Tucson that killed six and left Rep. Gabrielle Giffords (D-Ariz.) gravely wounded.

Boxer, appearing at a press conference in Riverside, said the Federal Bureau of Investigation also should keep track of seriously mentally ill people with a history of violence to ensure they cannot secure gun permits. The accused Arizona gunman, Jared Lee Loughner, had a history of odd mental behavior and was prone to incoherent rants, authorities and acquaintances said.

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