I guess they don't know that just about ANY rifle bullet will go through a bullet proof vest.
More propaganda from elements of the antigun community upset that the expiration of the useless 1994 AWB hasn't resulted in more bloodshed.
Deputy Agitprop can worry all he wants - the cold, hard facts are that bad guys almost NEVER select rifles or pseudo "assault weapons" to commit crimes.
The gun of choice for the hoodlum remains the compact, small caliber pistol or revolver.