Get out there with large teams, armed if you can, lawfully, be careful, search Cemex sites, CEMEX Concrete & Cement Manufacturing Company, its massive, many countries.
Cemex has a patent for blood in their products.
Many corner stones, keystones of building, monuments, public building use people blood in the cement, used for evil, black magic control, manipulation.
What is the adrenocrhome content in the cement and other products?
Do you know how big this is?
Search the abandon mine sites, children are being abducted all over, law enforcement is protecting these sites in many of the cases...

https://patents.justia.com...