District Court, District of Columbia November 15, 1804 (McCall v. Eve)

And of this opinion were

Kilty, C. J., and Cranch, J.

Fitzhugh, J.,

contra. The legislature intended to excite vigilance in captains. Though this subject has been repeatedly before them, and this law has been reenacted, they have, never made a knowledge in the exporter necessary to constitute an offence; and yet on the same subject, when speaking about harboring slaves, it is no offence .