Cops are killed with there own side arm more often than with any other weapon. Perhaps we should have Police Side Arm Ban instead.
And in an age of terror, the last thing anyone should want is for Al Qaeda zealots to be able to purchase military weapons over the counter in America.
Al Qaeda as with any other criminal is more likely to purchase their weapon of choice on the black market. Also Al Qaeda has displayed a definite preference for other types of weapons such as car bombs, and airliners (and maybe shoulder fired missiles). These types of weapons wound not be banned by the assault weapons ban.
A group armed with these in a football stadium or a shopping mall could slaughter hundreds in the space of a few moments.
Only if the intended targets milled around like sheep being led to the slaughter and did nothing to defend themselves or subdue the attacker. But of course that is what the less than Reverend Jesse L. Jackson, Sr. desires for the American public, that we be the defenseless sheeple of his dreams.