Federal prosecutors are asking the committee studying impeachment of Illinois Gov. Rod Blagojevich not to dig into criminal charges against the governor.
In a letter released Tuesday, U.S. Attorney Patrick Fitzgerald says the panel could "significantly compromise" his investigation by interviewing Blagojevich aides about possible crimes. Fitzgerald is also declining to provide information about his investigation, such as the identities of people mentioned in a criminal complaint.
But the prosecutor does say he hasn't ruled out giving the committee copies of Blagojevich conversations caught on wiretaps.
The committee is supposed to recommend whether the full House consider impeaching the governor. Members had sent a letter to Fitzgerald asking for guidance on whether to look into the criminal allegations.