Radicalize Simpson News Today

Admiration specifically for bin laden. he used the word hero which surprised me. but now that i understand his thinking, its not that surprising. >> reporter: in simpsons case we have learned that the fbi shared a picture of him and a possible license plate. its unclear whether that information made it to the officers on the street there in garland or played a role in the quick reaction from the garland police officer in killing the two suspects. jake? >> what more do we know about his communica...

Simpsons out there. for the first time we are hearing from the gunman talking about his muslim faith in a 2012 fun raise fund-raising video. >> when you pray five times a day, it provides for you a form of weaponry to go out into the world. >> reporter: it showed a more extremist view. he not only communicated publically on terrorists but talked privately. with a british-born recruiter and hacker. investigators believe they helped radicalize simpson, encouraging him to carry out an attack. its b...

Was carried out. simply his picture, license plate, just in case, be on the lookout. this is something that never actually made it to the officers on the street. this was a generalized warning that he was interested in this. he had expressed interest online. he was among a number of people that they were looking for. >> the f bibi was at the event. why were they there? >> this event attracted so much controversy. they knew that there were extremists online who were making threats to the event. t...

What exactly did this fbi bulletin say? what else are investigators learning today about these gunmen? >> reporter: i can tell you what were learning from the fbi director is that fbi agents saw the tweets from simpson referencing the event in texas and that is what prompted the fbi to send that warning to garland police a few hours before the event. were learning that the fbi had no idea that simpson and his roommate was driving from their house here in phoenix, arizona, to texas to launch that...

Man shot and killed by the lapd. the police chief suggests his officer may be at fault. what does the video show? good afternoon. welcome to "the lead." im jake tapper. a senior al qaeda commander has been killed by the u.s. more on that in a moment. first, we will have breaking news in our national lead. a bulletin from the fbi. to local texas police just hours before that thankfully foiled terrorist attack there, warning that an isis-inspired gunman could be coming to reek havoc. the acts ...

To launch an attack. what we have learned is that there wasnt just twitter communication between the two, but that there were also private messages between hussein in syria and simpson here. and i can tell you that that is what is so concerning to u.s. officials who are investigating this. who else is hussein communicating with privately urging them to launch similar attacks? jake? >> pamela brown in phoenix, thanks so much. lets bring in evan perez who has been working the story. what can you...