Gunmen flee the offices of French satirical newspaper Charlie Hebdo in Paris, in this still image taken from amateur video shot on January 7, 2015, and obtained by Reuters. Hooded gunmen stormed the Paris offices of the weekly satirical magazine known for lampooning radical Islam, killing at least 12 people, including two police officers in the worst militant attack on French soil in recent decades. REUTERS/Handout via Reuters TV
Armed gunmen face police officers near the offices of the French satirical newspaper Charlie Hebdo in Paris on January 7, 2015, during an attack on the offices of the newspaper which left eleven dead, including two police officers, according to sources close to the investigation. ANNE GELBARD/AFP/Getty Images
Gunmen flee after shooting a wounded police officer (R) on the ground at point-blank range, outside the offices of French satirical newspaper Charlie Hebdo in Paris, in this still image taken from amateur video shot on January 7, 2015, and obtained by Reuters. REUTERS/Handout via Reuters TV
Gunmen shoot a wounded police officer (R) on the ground at point-blank range, outside the offices of French satirical newspaper Charlie Hebdo in Paris, in this still image taken from amateur video shot on January 7, 2015, and obtained by Reuters. REUTERS/Handout via Reuters TV
Gunmen flee after shooting a wounded police officer (L) on the ground at point-blank range, outside the offices of French satirical newspaper Charlie Hebdo in Paris, in this still image taken from amateur video shot on January 7, 2015, and obtained by Reuters. REUTERS/Handout via Reuters TV