It’s been messed up - purposefully - for decades.
US Government Lost 7 Fort Knox Gold Audit Reports
https://www.bullionstar.us/blogs/koos-jansen/us-government-lost-7-fort-knox-gold-audit-reports/
Still dead in the water:
H.R. 3526 (117th): Gold Reserve Transparency Act of 2021
https://www.govtrack.us/congress/bills/117/hr3526
Thank You!