PARIS, FRANCE - APRIL 25:  French Presidential Election candidate Emmanuel Macron attends the National tribute to fallen French Policeman Xavier Jugele on April 25, 2017 in Paris, France. French Police Officer Xavier Jugele, 37, was shot dead by a gunman on Thursday April 20, 2017 on Paris's Champs Elysees, a few days' prior to the French Presidential elections.  (Photo by Aurelien Meunier/Getty Images)