he was pardoned by supper. a few days later he was invited for tea. so there are some things even the chief of mi 6 finds a little bit difficult to try to interpret in terms who is in and who is out. >> when i heard that comment, it stunned me to hear the head. mi 6 saying they're a little baffled by it and trying to sort out the idea that what happened that day, the fact that he's alive right now. >> of course. that's part of the mystery. normally if you present a challenge to putin or present too much disapproval of the decisions he made, you find yourself in the spectrum of complete obscurity to inevitable. yet he doesn't seem to be on that spectrum. the question is, where exactly is he? he presented the greatest challenge to putin's rule in his entire time in the kremlin.