United States Code Service
TITLE 18. CRIMES AND CRIMINAL PROCEDURE (§§ 1 — 6005)
Part I. Crimes (Chs. 1 — 123)
CHAPTER 1. General provisions (§§ 1 — 27)
§ 2. Principals
(a) Whoever commits an offense against the United States or aids, abets, counsels, commands, induces or procures its commission, is punishable as a principal.
(b) Whoever willfully causes an act to be done which if directly performed by him or another would be an offense against the United States, is punishable as a principal.
[Aiding and abetting]