Guess there is more visibility to report crimes committed by USCIS employees due to the recent BJ for GC scandal in the news:
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=ece03509211f8110VgnVCM1000004718190aRCRD
http://www.uscis.gov/portal/site/uscis/menuitem.5af9bb95919f35e66f614176543f6d1a/?vgnextoid=ece03509211f8110VgnVCM1000004718190aRCRD