Only because the Shah refused Jimmy's "offer" of a shakedown. Jimmy sent some of his thieving buddies to Tehran to tell the Shah that he should cancel his contract for the deep port he was building, re-let the contract to Carter's buddies at 10% higher cost so Jimmy the Crook could get his piece of the action. When the Shah declined the "offer," Carter said he would take him down, and he did. We can thank Jimmy the Crook for the mess we currently have in Iran.
The one thing we can conclude about Carter, the "pious" crook, is that he's above all, a vindictive s.o.b.
Granted, this happened when I was a kid... but who is Jimmy the Crook?