18 U.S.C. § 1585: Seizure, detention, transportation or sale of slaves

Whoever, being a citizen or resident of the United States and a member of the crew or ship’s company of any foreign vessel engaged in the slave trade, or whoever, being of the crew or ship’s company of any vessel owned in whole or in part, or navigated for, or in behalf of, any citizen of the United States, lands from such vessel, and on any foreign shore seizes any person with intent to make that person a slave, or decoys, or forcibly brings, carries, receives, confines, detains or transports any person as a slave on board such vessel, or, on board such vessel, offers or attempts to sell any such person as a slave, or on the high seas or anywhere on tide water, transfers or delivers to any other vessel any such person with intent to make such person a slave, or lands or delivers on shore from such vessel any person with intent to sell, or having previously sold, such person as a slave, shall be fined under this title or imprisoned not more than seven years, or both.