the fbi opened a new investigation into elton simpson. he had been charged once for lying to join see had in somalia. simpson directed a message on twitter to this account, according to sources, believed to belong to an american leader of al qaeda calling attention to the cartoon event in the callous suburbs. hours before the attack he urged his giter followeds to follow a british. >> somebody known for his hacking skills who has targeted the u.s. military in previous hacks. >> investigators are exploring whether simpson was working with the isis to launch the attack or trying to gain approval and attention. the use of social media by terrorists is a daunting