former russian agent died without knowing what killed him. the results from a battery of tests came in too late but they did come in. it turned out he was killed by something far more lethal than common rat poison. >> it's pilonium. the news shocked the world even though most people weren't sure what it was but paul joil knew what it was that his friend effectively burned to death from radio activity. >> it is a horrible death. it is a gruesome death. he lived longer than any man normally would under those circumstances. and he lived just long enough within 12 hours long enough for