The Secret Service is the agency charged with ensuring the safety of the president.
The Department of Homeland Security began an investigation against two senior Secret Service agents accused of crashing a car into a security barrier in the White House, according to a spokesman for the agency.
The Secret Service spokesman, Robert Hoback, said the newly appointed Director Joseph Clancy was informed about the incident that happened last March 4 and requested the Office of the Inspector General of the Department of Homeland Security to investigate the incident.
Also, President Barack Obama has been reported after several witnesses should tell the agents driving under the influence of alcohol.
According to preliminary information gathered by the newspaper USA Today, duty officers wanted to practice the two agents a breathalyzer test to establish the amount of alcohol they had consumed, but finally allowed to go home.
Members of the Secret Service would have taken the car after spending the night at a party in an area near the White House, where they eventually suffered a slight accident area.
The Washington Post identified the two agents as Mark Connolly and George Ogilvie.
The agency said the two officers have been reassigned to positions of non-operational work.
The accident investigation is the latest in a scandal seire agency charged with protecting the president.
In the last six months, several senior agency officials, including the former director Julian Pierson, have been forced to accept serious violations of presidential security.
In September, a Texas man armed with a knife was able to climb a fence of the White House and enter through one of the gates of the mansion before being apprehended.
An internal investigation and a report of the panel were described serious problems within the agency.