https://www.theguardian.com/commentisfree/2017/mar/20/pentag... >The result is an astounding $10tn in taxpayer money that has gone unaccounted for since 1996.

https://www.forbes.com/sites/kotlikoff/2017/12/08/has-our-go... >While the documents are incomplete, original government sources indicate $21 trillion in unsupported adjustments have been reported for the Department of Defense and the Department of Housing and Urban Development for the years 1998-2015.

The report by Dr. Skidmore is easy to find.

https://missingmoney.solari.com/dod-and-hud-missing-money-su...