Some time ago they discovered a grace deep in the mountains of russia.
https://www.express.co.uk/news/science/634733/Do-demon-skulls-and-Nazi-briefcase-discoveries-prove-Third-Reich-contacted-ALIENShttp://totallychaos.com/scientists-discover-bizarre-nazi-chest/In there they found a crate containing among some other stuff 2 skulls of unknown origin (look into the article to see those. Could very well be the skull of a grey alien [even though i think the grey ayys are actually demons]). It also contained a letterv(pic related
