Charlie Hebdo: French president Hollande honours victims

French President Francois Hollande, second left, Paris mayor Anne Hidalgo, left, and Prime Minister Manuel Valls unveil a plaque honoring policeman Ahmed Merabet is pictured in Paris, Tuesday Jan. 5, 2016. Hollande is honoring 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. (Benoit Tessier, Pool Photo via AP)

A wreath of flowers laid by French President Francois Hollande is seen after he unveiled a plaque outside the former offices of French weekly satirical newspaper Charlie Hebdo, in Paris, Tuesday Jan. 5, 2016. Hollande is honoring 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. (Benoit Tessier, Pool Photo via AP)

French President Francois Hollande and Paris mayor Anne Hidalgo prepare to unveil a plaque outside the former offices of French weekly satirical newspaper Charlie Hebdo, in Paris, Tuesday Jan. 5, 2016. Hollande is honoring 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. (Benoit Tessier, Pool Photo via AP)

A man removes the covering on a plaque earlier unveiled by French President Francois Hollande outside satirical newspaper Charlie Hebdo former office, Tuesday, Jan. 5, 2016 in Paris. Hollande is honoring 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. The plaque was hastily covered up after authorities discovered a spelling error in the name of slain cartoonist Georges Wolinski, the black covering was later removed, and a new plaque is being prepared after the embarrassing incident. (AP Photo/Christophe Ena)

French President Francois Hollande, right, looks at a commemorative plaque after its unveiling outside the former offices of French weekly satirical newspaper Charlie Hebdo, in Paris, Tuesday Jan. 5, 2016. Hollande is honoring 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. (Benoit Tessier, Pool Photo via AP)

French President Francois Hollande, second left, ans Paris mayir Anne Hidalgo, third left, unveil a plaque outside the former offices of French weekly satirical newspaper Charlie Hebdo, in Paris, Tuesday Jan. 5, 2016. Hollande is honoring 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. (Benoit Tessier, Pool Photo via AP)

French President Francois Hollande, center, French Prime Minister Manuel Valls and Mayor of Paris Anne Hidalgo, left, unveil a plaque in homage of the victims of last year's January attacks outside the kosher supermarket in Paris, Tuesday, Jan. 5 2016. Hollande has honored 17 victims killed in Islamic extremist attacks on satirical newspaper Charlie Hebdo, a kosher market and police a year ago this week, unveiling plaques around Paris marking violence that ushered in a tumultuous year. (Ian Langsdon, Pool Photo via AP)