People holding cardboards reading "Je suis Charlie (I am Charlie) take part in a Unity rally Marche Republicaine on the Place de la Nation (Nation Square) in Parison on January 11, 2015 in tribute to the 17 victims of a three-day killing spree by homegrown Islamists. The killings began on January 7 with an assault on the Charlie Hebdo satirical magazine in Paris that saw two brothers massacre 12 people including some of the country's best-known cartoonists, the killing of a policewoman and the storming of a Jewish supermarket on the eastern fringes of the capital which killed 4 local residents. AFP PHOTO / THOMAS SAMSON (Photo credit should read THOMAS SAMSON/AFP/Getty Images)
