The Secret Service is tasked with ensuring the safety of the President and First Family at all times and serves as the primary security force at the residence. the Sept. 19 incident involving Gonzalez is hardly the first major interruption in the security of the President.
Only days prior the Sept. 19 incident, President Obama found himself in an elevator at the Center for Disease Control and Prevention in Atlanta with an unknown man who according to reports had a gun on his person while aboard the elevator with the President.
A House panel investigating the matter grilled Ms. Pierson forcing her to admit these were in fact serious breaches of security. The events left many lawmakers calling for her resignation, some wondering about the ability of the Secret Service to fulfill its mission. Pierson's replacement has not yet been named.