Wine wrote that he would 'not mind going behind bars FOR BEING A TRIGGER MAN ON THIS TYRENT.''

He added, 'THE BLOOD OF OBAMA WILL RUN DOWN THE STREETS OF D.C.''

No sentencing date has been fixed yet.

As the first black occupant of the White House, Obama has also become the most threatened president in US history. Reports say he receives up to 30 potential death threats each day, up 400 percent since George W. Bush left office. The rise of many right-wing militias also testifies to the threats the first African-American president faces.