French soldiers stand guard in front of the entrance of a synagogue in Lille, northern France, earlier this month. Philippe Huguen/AFP/Getty Images hide caption

itoggle caption Philippe Huguen/AFP/Getty Images

A police photo showing Said Kouachi from an arrest some time before the Jan. 7 attack on the French magazine. Said, who was killed by police two days after the attack, was reportedly secretly buried in his hometown of Reims. Uncredited/AP hide caption

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French President Francois Hollande gestures as he delivers a speech to foreign ambassadors during a ceremony to extend New Year wishes at the Elysee Palace in Paris on Friday. Jacques Brinon/AP hide caption

itoggle caption Jacques Brinon/AP

An estimated 400 new French Jewish immigrants attended a welcoming ceremony after arriving on a flight from France to Tel Aviv, Israel in July 2014. Lior Mizrahi/Getty Images hide caption

itoggle caption Lior Mizrahi/Getty Images

Pope Francis disembarks from the plane upon his arrival at the airport in Manila, Philippines, on Wednesday. In comments to reporters aboard the plane, Francis said though the attack on Charlie Hebdo magazine was an "aberration," free speech "cannot make provocations," especially against people's faith. Ettore Ferrari/EPA/Landov hide caption

itoggle caption Ettore Ferrari/EPA/Landov

Belgian police block a street in central Verviers on Thursday. Two men were killed and a third arrested when police raided an apartment used by suspected Islamist radicals. Reuters /Landov hide caption

itoggle caption Reuters /Landov

Great Rabbi of France Haim Korsia, right, speaks as the Imam of the eastern suburb of Drancy, Hassen Chalghoumi, left, and others listen during a ceremony at the synagogue of Sarcelles, France, in July 2014, after pro-Palestinian protests in Paris and Sarcelles. Stephane de Sakutin/AFP/Getty Images hide caption

itoggle caption Stephane de Sakutin/AFP/Getty Images

A man walks through the Grand Mosque in Paris on Jan. 9. Some Muslims have questioned the official version of the shootings in Paris and embraced conspiracy theories. In schools, some Muslim students refused to take part in a moment of silence for the victims. Dan Kitwood/Getty Images hide caption

itoggle caption Dan Kitwood/Getty Images

Dieudonne M'Bala M'Bala, the French comedian better known as Dieudonne, has been arrested and held on charges of apologizing for terrorism in the wake of a Facebook post that referred to last week's deadly attacks in Paris. Michel Euler/AP hide caption

itoggle caption Michel Euler/AP

German Chancellor Angela Merkel, front third from left, attends a vigil in Berlin organized by a German Muslim group to commemorate the victims of last week's attacks in Paris. Michael Sohn/AP hide caption

itoggle caption Michael Sohn/AP

French Prime Minister Manuel Valls delivers his speech during an homage to the 17 victims of last week terrorist attacks, at the French national Assembly in Paris on Tuesday. Remy de la Mauviniere/AP hide caption

itoggle caption Remy de la Mauviniere/AP

World leaders, including, from the left, Israel's Prime Minister Benjamin Netanyahu, Mali's Ibrahim Boubacar Keita, France's Francois Hollande, Germany's Angela Merkel, EU President Donald Tusk and Palestinian President Mahmoud Abbas march in Paris on Sunday to honor the victims of three days of bloodshed. A White House spokesman acknowledged "we should have sent someone with a higher profile." Philippe Wojazer/AP hide caption

itoggle caption Philippe Wojazer/AP

Police officers look for an escaped suspect Jan. 9 in Porte de Vincennes in Paris, France. Hayat Boumeddiene, 26, escaped and is wanted in connection with the murder of a policewoman. Aurelien Meunier/Getty Images hide caption

itoggle caption Aurelien Meunier/Getty Images

The two main suspects in the terrorist attack on Charlie Hebdo magazine in Paris are said to have robbed this service station in the north of France. The Picardy region has been put on high alert as the authorities look for brothers Said and Chérif Kouachi. Maxppp /Landov hide caption

itoggle caption Maxppp /Landov