Colombian police say an advance team of secret service agents brought local prostitutes back to their hotel after preparing for President Obama's arrival at the Summit of the Americas last Thursday.
11 agents, including two supervisors were sent home and placed on leave as the military announced 5 service members may have participated.
President Obama said he's reserving judgment for now.
"If it turns out that some of the allegations that have been made in the press are confirmed, then of course I'll be angry," Obama told the media.
In a statement, the secret service said it "...demands more from its employees, and these expectations are met and exceeded every day by the vast majority of our workforce."
Congress will also investigate. " (sot: rep.
There's concern whether the agents may have left themselves open to blackmail,m while protecting the president.