>> the significance of hexamine some allege the hexamine is used as an acid stabilizer.

and in the samples you will see that hexamine is found. >> was that the 11th than where it was found -- was that the only incident where it was found? >> those were the only samples we were able to take. it is clear in the report what types of samples we were able to take. >> matthew lee.

>> the significance of hexamine, some allege the hexamine is used as an acid stabilizer. others have alleged it is a remnant from an artifact of reduction of rdx, which is a high explosive. it is also used as a heating element for homemade stoves. it has a number of uses. you will see in the final report a much more comprehensive detailing of some of the chemicals that were found, particularly in one incident. and in the samples you will see that hexamine is found. >> was that the only incident where it was found? >> those were the only samples we were able to take. it is clear in the report what types of samples we were able to take. >> matthew lee. thanks for doing the briefing. it is too rare in the u.n. system. video.sion received a i want to know if there was a russian journalist who said there was a two gigabyte video file, and if you found a video of use, and i wanted to know there seems to be that some people say the rocket was filmed elsewhere before you guys looked at it and i wanted to know if their only one rocket you look at, and are you aware of this claim?