Karl Eric Daslow (Didier Sauvegrain) is the prime suspect of the assassination of President Marc Jarry (Gabriel Cattand). Daslow is an anagram of Oswald. Lee Harvey Oswald is suspected to have killed John F. Kennedy, the 35th President of the United States.
The lab scenes describing "obedience to authority" experiments are based on real-life research conducted by famous psychologist Stanley Milgram in 1963 at Yale University.
The Président assassination scene takes place in Cergy-Prefecture, France.
Henry Kissinger was technical adviser for the scene of the president assassination during the writing of the script.