UPDATE: The Attorney General's office just sent out this press release:
January 21, 2009 STATEMENT OF THE OREGON DEPARTMENT OF JUSTICE Yesterday evening, Multnomah County District Attorney Michael D. Schrunk and Portland Chief of Police Rosanne M. Sizer requested that the Oregon Department of Justice undertake a criminal investigation of matters pertaining to Portland Mayor Sam Adams that have recently come to public attention. The Department of Justice has agreed to do so. The investigation will be thorough, fair, and professional. Under our system of laws, all persons are presumed innocent until proven otherwise beyond a reasonable doubt in a court of law. The Department of Justice has no further comment at this time.