'A lot falls through the cracks': Who is keeping state lawmakers safe?

questions this morning about whether the Secret Service agent hit by a bullet at Saturday's White House Correspondence Dinner was struck by the alleged gunman or friendly fire. MSNOW has learned that FBI investigators have not been able to locate the fragment that pierced the Secret Service officer's bulletproof vest after suspect Cole Allen rushed security at the event. That's according to two people briefed on the situation.Officials say they believe Allen fired a single shell as he breached the final che ...