John Mark Tillmann is a notorious Canadian art thief who for over two decades, heisted over 10,000 art objects from museums, galleries, archives and antique shops from various countries across the world.Eluding authorities for years by flying under the radar, Tillmann was eventually arrested in January 2013, after extensive investigations by Interpol, The Royal Newfoundland Constabulary, The United States Department of Homeland Security, FBI and Royal Canadian Mounted Police.