Kawashima, et ux. v. Holder, 132 S. Ct. 1166 (U.S. Sup. Ct. 2012)

(convictions under I.R.C. Sec. 7206 for aiding and assisting in preparation of false tax return constitutes aggravated felony if government’s revenue loss exceeds $10,000 (6-3 opinion written by Thomas)).