From the Document: "This In Focus outlines key federal criminal laws addressing human trafficking within the United States, found mainly in Chapters 77 and 117 of the U.S. Criminal Code. It also highlights federal immigration-related crimes that may sometimes be relevant to trafficking activity, such as those addressing the smuggling of non-U.S. nationals (aliens) into the United States. Besides crimes discussed in this In Focus, other laws may also be relevant, including those targeting the sexual exploitation of children (regardless of whether done for commercial purposes)."
CRS In Focus, IF11942
Congressional Research Service: https://crsreports.congress.gov/