Special Agent Robert Stahl is an FBI agent assigned to the Anti-Corruption Task Force and Santos' handler. His obsession with Harlee goes beyond work, as he secretly installs cameras in her home and hires prostitutes who must agree to be called "Harlee". He is portrayed by Warren Kole. In season 2 he sees and opportunity with Wozniak


and uses him to get closer to who he really wants Julia Ayers.