That's what Richard Marcinko did. After he formed SEAL Team 6 and RED Cell the Navy spent $60 million trying to prove he did something wrong. After he retired the DOJ spent millions more and finally put him in jail for 1 year.
They completely ignored the fact that if he wanted to steal , covert ops are cash intensive and you don't get reciepts, he could have stolen millions.
Instead he writes his "Rogue Warrior" series and makes his own millions.