People gather to pay respect for the victims of a terror attack against a satirical newspaper, in Paris, Wednesday, Jan. 7, 2015. Masked gunmen shouting "Allahu akbar!" stormed the Paris offices of a satirical newspaper Wednesday, killing 12 people, including the paper's editor, before escaping in a getaway car. It was France's deadliest terror attack in living memory. (AP Photo/Thibault Camus)
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'Je suis Charlie': Paris gathers after terror attack
Demonstrators in Paris hold up pens and signs that read "I am Charlie" in honor of those slain at the Charlie Hebdo office.
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#JeSuisCharlie 17 videos
People gather to pay respect for the victims of a terror attack against a satirical newspaper, in Paris, Wednesday, Jan. 7, 2015. Masked gunmen shouting "Allahu akbar!" stormed the Paris offices of a satirical newspaper Wednesday, killing 12 people, including the paper's editor, before escaping in a getaway car. It was France's deadliest terror attack in living memory. (AP Photo/Thibault Camus)
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'Je suis Charlie': Paris gathers after terror attack
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Caption:PARIS, FRANCE - JANUARY 11: Demonstrators make their way along Boulevrd Voltaire in a unity rally in Paris following the recent terrorist attacks on January 11, 2015 in Paris, France. An estimated one million people are expected to converge in central Paris for the Unity March joining in solidarity with the 17 victims of this week's terrorist attacks in the country. French President Francois Hollande will lead the march and will be joined by world leaders in a sign of unity. The terrorist atrocities started on Wednesday with the attack on the French satirical magazine Charlie Hebdo, killing 12, and ended on Friday with sieges at a printing company in Dammartin en Goele and a Kosher supermarket in Paris with four hostages and three suspects being killed. A fourth suspect, Hayat Boumeddiene, 26, escaped and is wanted in connection with the murder of a policewoman. (Photo by Christopher Furlong/Getty Images)
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Mourners hold signs depicting victim's eyes during a rally in support of Charlie Hebdo, a French satirical weekly newspaper that fell victim to an terrorist attack, Wednesday, Jan. 7, 2015, at Union Square in New York. French officials say 12 people were killed when masked gunmen stormed the Paris offices of the periodical that had caricatured the Prophet Muhammad. (AP Photo/John Minchillo)
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A man holds a pencil in the air Thursday, January 8, as he stands in front of Notre-Dame de Paris Cathedral in Paris during a minute of silence for the victims of an attack by armed gunmen on the offices of French satirical newspaper Charlie Hebdo in Paris.
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