FILE - Forensic officers gather outside a kosher grocery store which was the scene of a hostage taking in Paris, Jan. 9, 2015. (AP Photo/Francois Mori, File)
FILE - French riot officers patrol in Longpont, north of Paris, Thursday, Jan. 8, 2015. (AP Photo/Thibault Camus, File)
FILE - People gather in solidarity of the victims of a terror attack against a satirical newspaper, in Paris, Wednesday, Jan. 7, 2015. (AP Photo/Thibault Camus, File)
FILE - Motorcyclists ride on the Champs Elysees with the Arc de Triomphe displaying the solidarity message "Paris is Charlie" in Paris, France, Friday, Jan. 9, 2015. (AP Photo/Laurent Cipriani, File)
FILE - Thousands of people gather at Republique square in Paris, France, Sunday, Jan. 11, 2015. (AP Photo/Peter Dejong, File)
FILE - An anonymous art installation showing a broken pencil is displayed on the pavement near the Charlie Hebdo office in Paris, Tuesday, Jan. 20, 2015. (AP Photo/Francois Mori, File)
FILE - In this Wednesday Jan. 7, 2015, file photo, masked gunman fire their weapons outside the French satirical newspaper Charlie Hebdo's office in Paris. (AP Photo, File) NO SALES
FILE - Brigitte Le Blein, of Nice, shows her hand reading "I am Charlie" during a silent march for victims of the shooting at the satirical newspaper Charlie Hebdo, Saturday, Jan. 10, 2015, in Nice, southeastern France. (AP Photo/Lionel Cironneau, File)
FILE - Thousands of people gather at Republique Square in Paris on Jan. 11, 2015. (AP Photo/Peter Dejong, File)
FILE - From left, Israel's Prime Minister Benjamin Netanyahu, Mali's President Ibrahim Boubacar Keita, France's President Francois Hollande, Germany's Chancellor Angela Merkel, EU President Donald Tusk, and Palestinian President Mahmoud Abbas march during a rally in Paris on Jan. 11, 2015. (Philippe Wojazer, Pool via AP, File)
FILE - A demonstrator holds a sign reading "I am Charlie" at Place de la Nation during a rally in Paris, Sunday, Jan. 11, 2015. (AP Photo/Thibault Camus, File)
FILE - Charlie Hebdo newspaper staff, with editorialist Patrick Pelloux, right, cartoonist Renald Luzier, known as Luz, left, react during a march in Paris, France, Sunday, Jan. 11, 2015. (AP Photo/Michel Euler, File)
FILE - French President Francois Hollande embraces German Chancellor Angela Merkel, left, as she arrives at the Elysee Palace, Paris, Sunday, Jan. 11, 2015. (AP Photo/Thibault Camus, File)
FILE - A woman lights a candle outside the kosher grocery where Amedy Coulibaly killed four people in a terror attack, in Paris, Wednesday, Jan. 20, 2015. AP Photo/Christophe Ena, File)
FILE - In this Jan. 7, 2015 file photo, an injured person is transported to an ambulance after a shooting at the French satirical newspaper Charlie Hebdo's office, in Paris. (AP Photo/Thibault Camus, File)
FILE - People watch from their roof-top apartment as some thousands of people gather at Republique square in Paris, France, Sunday, Jan. 11, 2015. (AP Photo/Peter Dejong, File)
FILE - Security officers escort released hostages after they stormed a kosher market to end a hostage situation, Paris, Friday, Jan. 9, 2015. (AP Photo/Michel Euler, File)
FILE - Pallbearers carry the casket of Charlie Hebdo cartoonist Bernard Verlhac, known as Tignous, decorated by friends and colleagues of the satirical newspaper Charlie Hebdo, at the city hall of Montreuil, outside east of Paris, Thursday, Jan. 15, 2015. (AP Photo/Michel Euler, File)