In season three (2007--08), Jason departs after episode two and is replaced in episode six by David Rossi (Joe Mantegna), a former FBI agent and best-selling author.
In season three (2007--08), Mandy Patinkin chose to leave the show, because he was deeply disturbed by the content depicted in the show. He is replaced by David Rossi (Joe Mantegna), a former FBI agent and best-selling author.