[Telepathic Intruder]

If they are mummified and not fossilized (i.e. carved) then it should be possible to examine their DNA.

[txeagle]

Every time I talk about Mexican aliens I’m called racist.....

[Pilsner]

Let’s Talk About The Ancient Three-Fingered “Alien Corpses"

East Germany made gloves for these aliens.

[algore]

https://www.strangerdimensions.com/2013/09/07/art-bell-area-51-caller/

I remember this Art Bell show, and seeing what has happened since then it is looking plausible