MONTREUIL, FRANCE - JANUARY 15: A picture of "Tignous" is seen in the town hall of Montreuil during the tribute service for Bernard Verlhac on January 15, 2015 in Montreuil, France. Cartoonist Bernard "Tignous" Verlhac was killed in last week's terrorist attack on satirical newspaper Charlie Hebdo. (Photo by Pascal Le Segretain/Getty Images)
