Absolute Power by David Baldacci

In a heavily guarded mansion in the Virginian countryside, professional burglar and break-in artist Luther Whitney is trapped behind a one-way mirror. What he witnesses destroys his faith not only in justice, but in all he holds dear.

What follows is an unthinkable abuse of power and a criminal conspiracy, as a breathtaking cover-up is set in motion by those appointed to work for one of the most important people in the world – the President of the United States.