But new details drawn from government documents and interviews show that senior White House aides were given information at the time suggesting that a prostitute was an overnight guest in the hotel room of a presidential advance-team member - yet that information was never thoroughly investigated or publicly acknowledged.

The information that the Secret Service shared with the White House included hotel records and firsthand accounts - the same types of evidence the agency and military relied on to determine who in their ranks was involved.

But new details drawn from government documents and interviews show that senior White House aides were given information at the time suggesting that a prostitute was an overnight guest in the hotel room of a presidential advance-team member - yet that information was never thoroughly investigated or publicly acknowledged.

As nearly two dozen Secret Service agents and members of the military were punished or fired following a 2012 prostitution scandal in Colombia, Obama administration officials repeatedly denied that anyone from the White House was involved.