For money.
Meanwhile Turkey is appalled that the Sauds murdered Jamal Khashaggi on Turkish soil. Why? Do they get a commission for every murder or something?
Where does one start with this? Well, for starrers, Flynn did not "make a mistake." Choosing whole wheat instead of rye is a mistake. Plotting to murder an American resident (for twenty years) for money and deliver him to certain torture and imprisonment by a dictator is a whole seties of decisions.
I don't even have tome today top enumerate all of Flynn's "mistakes", but I might later.