inspiration. say the gunmen read something online and carried out the attack on his own all the way up to isis calling the shots, orchestrating it. no evidence of that. but there is communication. there is back and forth there is an awareness here which is why one official said to me that in this case it's clear that it was more than just inspiration. it's early days in this investigation. and as they turn out more they're going to come to better answers to how much connectivity there was, how many connections between him and isis overseas. >> and jim the u.s. also announced today a multimillion-dollar reward for four isis terrorists. what do we know about these individuals, and why announce a reward today? >> well, this is -- look as we look at them now, really a rogue's gallery of isis suspects here. you have mustafa al kaduli. he goes way back to the days of al qaeda in iraq. abu muse sack al zarqawi more than ten years ago. the bounty on his head $7