Not sure I trust that guy…his wiki bio says he is a full-time professor at Shanghai Jiao Tong University in China. I'm more inclined to believe they intended for people to die within two years, but that their plan was thwarted.
That has an insane street value. 1,452 kilos is more than 1.4 million grams, which would be worth well over one hundred million dollars. Maybe hundreds of millions.