MSNBC Dateline September 23, 2019 07:22:00
Them to finally determine that it was polonium versus something else. >> reporter: why, if he had died 12 hours earlier, would it have made any difference? >> because they wouldnt have found out. they would have marked the death certificate as death unknown. he would have been put in the ground, and it would have been just a mystery. unknown -- unknown assailants. turn the page, move on. >> its the key of this murder. polonium 210 was discovered and now we know exactly sasha was killed by poloni...
Source: archive.org