seen in decades unfolding here at the offices of "charlie hebdo," a satirical newspaper about a mile from the notre dame cathedral. the attackers pulling up around 11:30 a.m. opening fire on two doormen killing one. inside they find corrine rey and her daughter. they force them to give them the security codes and enter. the masked men walking into an editorial meeting gunning down the editor stephane charbonnier and then nine others. >> they called their name and shot them. and they were shot in the head. there was not a riot. it was clearly an execution. >> reporter: five minutes later, the gunmen racing out shooting at police and shouting --