x-files fictional character american science fiction television series files serves informant leaking information fbi special agent fox_mulder aid mulder investigation paranormal cases dubbed files introduced series second episode named character killed season finale later appearances flashbacks visions character portrayed appearances character killed introduced second season episode host portray successor creation inspired historical leaked information scandal character film conceptual history series creator chris_carter stated character course inspired historical real informant leaking information fbi investigation scandal journalists conclusion x-files later revealed fbi associate director cited influence fictional character portrayed film film reveals information possibility assassination orchestrated elements american government carter felt needed create character bridge gap fbi agents fox_mulder david_duchovny dana_scully gillian_anderson conspirators working conceived character works level government idea exists carter drawn actor seeing firm believed initial appearance time role soon found regularly series vancouver filming location short notice producer spoken character stating production left ambiguous ally foe filming character death season finale champagne told carter dies files appearances seen visions season blessing way seventh season sixth extinction flashbacks fourth season cigarette smoking man assumed alien season finale character arc season x-files provided mulder scully information unable obtain member unseen syndicate position know great deal information felt truth syndicate kept secret public needed known believed mulder person capable exposing knowledge disappearance provided mulder false information order divert later explaining believed public ready know truths vietnam war worked ufo shot marines surviving extraterrestrial brought executed later claimed assisting mulder way actions stated participant lies witness deeds man imagine season finale x-files mulder taken hostage group following investigation alien human hybrid program fearing mulder life helped scully gain access high facility managed secretly remove preserved alien use saving mulder subsequent meeting assassin buried arlington national cemetery character later appeared dreams visions experienced mulder reservation years later experimented smoking man reception character received critics fans entertainment_weekly described performance world weary listed appearance character eponymous début episode 37th greatest television moment 1990s felt times presence episodes ghost machine reviewing character début episode called interesting new character television chris_carter stated performance gave series element needed felt episode great opportunity expand character role writing zack_handlen called death shocking moment know coming praising desperation evident performance curse continuity led character quickly replaced writing digital_spy felt tenure x-files arguably peak praised acting role book truth noted character helped establish tone gravity x-files provide spine series
Deep Throat (The X-Files)