Have an engaging case of forgery going to trial in a few weeks. Defendant's washed $5 bills and copied them as $50 passing at several area convienance stores. How do I prove the US Treasurer did not authorize the making of the bills? Do I need a secret service agent?

You actually don't have to. 32.21(1)(A)(i)-(iii) are "ors" not "ands." So you don't have to prove all three are true, just any one of the three.