A policeman stands guard outside the headquarters of the satirical weekly Charlie Hebdo in Paris on Wednesday, Sept. 19, 2012, after the periodical published crude caricatures of the Prophet Muhammad. (AP Photo/Michel Euler) ** FILE **

Photo by: Michel Euler

A policeman stands guard outside the headquarters of the satirical weekly Charlie Hebdo in Paris on Wednesday, Sept. 19, 2012, after the periodical published crude caricatures of the Prophet Muhammad. (AP Photo/Michel Euler) ** FILE **