Uncovering and prosecuting cartel behavior will be a top priority for the U.S. Justice Department’s Antitrust Division, while the Federal Trade Commission will continue focusing on health care and generic prescription drug markets, the heads of those agencies testified Tuesday on Capitol Hill.

Newly confirmed Assistant Attorney General William Baer, in his first time testifying before Congress as DOJ’s antitrust chief, said the division’s lawyers have put a new spotlight on dismantling international cartels.