Republican lawmaker questions possible White House cover-up

A US lawmaker leading a congressional inquiry into the Secret Service raised questions on Thursday about a White House volunteer's possible involvement in a prostitution scandal that rocked the agency two years ago.

No criminal charges against US troops in prostitution scandal

A dozen Secret Service officers, agents and supervisors were implicated in the Colombia scandal.

US: 12th military member tied to prostitution scandal

The Secret Service has also taken action against 12 of its employees.