A White House official says President Barack Obama has been briefed by the director of the Secret Service on the investigation into the agency's prostitution scandal.
The official said Obama was briefed in person by Secret Service Director Mark Sullivan Friday afternoon in the Oval Office.
The briefing came as a government official told The Associated Press a twelfth Secret Service employee has been implicated. The official says three agents were resigning Friday.
That brings the agency departures to six from the events at a hotel late last week in Colombia before Obama arrived for a summit meeting.
Eleven Secret Service employees had been noted earlier. The twelfth has been placed on administrative leave.