the way across, polonium was popping up everywhere. >> reporter: but not in scaramella. no polonium in his body or anywhere he'd been. so scotland yard took a hard look at the two russians, lugovoi and kovtun. when detectives retraced their steps, they found polonium contamination everywhere. >> we see the same fingerprints of the polonium in multiple places where they were. >> reporter: business offices, hotels, a hookah bar, a strip club, a soccer stadium. and the millennium hotel's pine bar where they last met litvinenko? that's were investigators hit the jackpot. these 3-d graphics put together by scotland yard, show the entire pine bar was contaminated with polonium with extreme hot spots on a table and chair. and the levels found inside this teapot? off the charts. paul joyal wonders how many