it's now been safely downblended.if anybody is going to go after nuclear material to steal it, the people who want to steal it may try that when the material is in motion, while it is being moved. as of today, we can report the nation of mexico has been cleaned out of weapons using nuclear material. ear security commission. he's the man responsible for this function of the united states government, tom dagastino. great to have you. >> great to be back. >> first, i have explained a lot about this in the last little bit of the show. tell me what i got wrong. >> i think you got it exactly right. these are complicated missions. it requires ten agencies between two countries, the iaea was involved. multiple agencies within both governments. you can imagine the coordination of pulling all of this together. it's not something where you say, we're going to do this next month, let's go make it happen. it takes years of planning. the summit from two years ago was the catalyst that really got us going. >> you were working on --