(This is another post in our series, Looking Back at the U.S. Supreme Court’s 2013 Term.)

Continuing with this blog’s coverage of the recently concluded Supreme Court term, I’ll offer a few thoughts on the decision in Bond v. United States, which addressed a challenge to a statute that Congress passed in 1998 to implement the Chemical Weapons Convention (“CWC”). Most have heard about the underlying facts: After finding out that her husband was the father of her best friend’s soon-to-be-born child, Carol Anne Bond tried to poison the friend with 10-chloro-10H-phenoxarsine and potassium dichromate. This plan didn’t work, but the authorities found out about it and prosecuted Ms. Bond under 18 U.S.C. § 229(a) for possession and use of a “chemical weapon.” Bond then entered a conditional guilty plea that preserved her right to appeal and, after a lot of other litigation, made two arguments before the Supreme Court. First, she contended that Section 229(a) doesn’t apply because she didn’t use 10-chloro-10H-phenoxarsine and potassium dichromate as “chemical weapons” within the meaning of the statute. Second, she argued that the statute is invalid even if it applies because it exceeds the enumerated powers of Congress and intrudes upon powers that the Tenth Amendment reserves for the states.