Part 4 follows two freedom suits that grew out of the Atlantic slave trade after formal bans were on the books but smuggling and corruption kept the traffic alive. We begin with The Antelope (1825), a case that starts with a Baltimore clipper that changes its name and flag, captures slave ships off the coast of Angola, and ends with 258 surviving captives, most of them children, landed in Savannah and held for years while the courts argue over who can claim them as property. U.S. attorney William H. Gibbons files on behalf of the captives themselves, and Francis Scott Key takes the appeal to the Supreme Court, insisting “by the law of nature, all men are free.” Chief Justice John Marshall calls the trade inhumane but refuses to treat abolition as universal international law, sending many captives back into a system that cannot bring them home. ...