18 U.S. Code § 2421 - Transportation generally
Whoever knowingly transports any individual in interstate or foreign commerce, or in any Territory or Possession of the United States, with intent that such individual engage in prostitution, or in any sexual activity for which any person can be charged with a criminal offense, or attempts to do so, shall be fined under this title or imprisoned not more than 10 years, or both.
All these old politicians are going down for transporting there little sex orgies all over the world.
Source: https://www.law.cornell.edu/uscode/text/18/2421