Questions are mounting about how anyone could not only storm the White House through an unlocked front door, but also make it all the way into the East Room. Secret Service Director Julia Pierson testified on Capitol Hill today and acknowledged that the "security plan was not properly executed" when an intruder jumped the White House fence. Pamela Brown takes a closer look the grilling by congressional lawmakers.
Do Secret Service agents have any more power to use lethal force than the average American police officer? Randi Kaye reports on Secret Service protocols.
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