Renato Mariotti is an American attorney, legal commentator, acting fill-in anchor for WGN-TV and former federal prosecutor.

[2][4] After law school he clerked for the U.S. Court of Appeals and practiced antitrust and securities litigation at Heller, Ehrman, White & Mcauliffe LLP from 2002 to 2007.

[10] Mariotti was also responsible for indicting and convicting real estate mogul Laurance Freed for defrauding the City of Chicago, banks, and his business partner.

[5][17][18] Before announcing his candidacy for Illinois Attorney General, Mariotti was widely known as a commentator on legal issues pertaining to current events, with a large following on Twitter and regular appearances on MSNBC.

In an interview with the Chicago Sun-Times he said his priority as attorney general would be economic justice: "People like my parents who are working hard and struggling to make ends meet, things haven't gotten better [for] them.