They were supposed to be enforcing the law. Instead, the FBI alleges, a pair of rogue agents ran a sex-for-hire stable, staffed with illegal talent.
http://www.thedailybeast.com/articles/2015/05/21/dea-agents-ran-jersey-s-sleaziest-strip-club.html
http://www.thedailybeast.com/articles/2015/05/21/dea-agents-ran-jersey-s-sleaziest-strip-club.html