s pete oliver in berlin. peter, what does this german intelligence report actually tell us? tell us more about it. >> what we've seen reported is that the head of the german security services held a meeting with top brass. the main political move is to talk about what intelligence germany had regarding chemical attacks on syria. now, a lot of what's come out from this is stuff that we have heard before from other revelations, from other countries, particularly the united states. now, this regards facts like -- according to this information -- only assad could have carried out these attacks due to the fact that only assad has the equipment and the training in order to have his soldiers carry out such attacks. also, they say that it was a nerve gas. they based this on interceptions made on doctors who have treated patients and they cite that the symptoms that those patients had were similar to those that you would find of somebody who had been the victim of a sarin gas attack. also, they placed the number of dead from this chemical attack in syria around 19,400 mark. all of th

olive drab military-style uniform. joining us now is nbc news justice correspondent pete williams. pete, thanks for being with us. what can you tell us about that second individual who police say they want to question? >> i think that that's pretty well washed out by now. they won't completely write it off yet because they want to try to figure out exactly who this person was that was seen in the surveillance video carrying what we believe to be a long gun, but there are some indications that that picture shows the shooter himself. in any event, there are lots of people authorized to carry weapons on a military facility like this. just about everybody i've talked to scratched -- scratch the just about -- everybody i talked to thinks this is the work of one person. so i think that's all but washed out. >> in terms of the ongoing nature of this, are there people on base, people being kept there by police and law enforcement? >> yes, they still are for a couple of reasons. one is the fbi wants to interview anybody who saw the shooting, wants to talk to hem. so, there's that. secondly, the navy wants to do a careful