reaching that kind of a conclusion. >> congressman adam schiff from the intelligence committee, thank you so very much. >> thanks, andrea. >> number ten downing street confirms that theresa may, the prime minister, has returned to number ten. just to explain, number ten is a very small relatively small building, much smaller than the white house, connected with number 11, which is the residence and office of the chancellor of the x checker. they are set back from the street behind an iron fence, but very accessible to correspond t correspondents, to stake-out crews, much more accessible right across the way to much more visible than anything that we encounter here in the u.s., except that you would be behind the fence on the north lawn of the white house. it would be similar to that, but she is in number ten, and is monitoring the situation from there. malcolm nance has spent 30 years as a counterterrorism and intelligence officer and joins