The First US Attorney Firing

The current scandal over political use of US Attorneys is not the first one. In 2002 Bush blocked a corruption investigation into Jack Abramoff by firing the US Attorney just as he was closing in. Bush replaced him with a cousin of one of the targets — who had been recommended by the local Republican Party.
A 2005 story, Bush removal ended Guam investigation,

A US grand jury in Guam opened an investigation of controversial lobbyist Jack Abramoff more than two years ago, but President Bush removed the supervising federal prosecutor, and the probe ended soon after.

Go read about it.
The Republican corruption machine was in full operation by 2002. Here was Bush covering up Abramoff’s crimes by firing a prosecutor.
The statute of limitations has not yet run out on this.