Hillary Clinton’s personal lawyer has told the Senate Committee that emails and all other data stored on the Democratic Presidential hopefuls private server were erased before it was turned over to the U.S. government authorities.

The head of the US Secret Service — in his first public appearance since a Colombian prostitution scandal involving his staff surfaced last month — issued an apology for the misconduct, as lawmakers expressed doubt it was an isolated incident.

America's intelligence chief made a blunder of his own after he admitted top-level errors over the handling of the Christmas Day plane bomb attempt.