How do you become a spy?

ive been watching a few movies a bout spies lately ( most of them including tom cruise :P) and i was wondering how did they become spies in the first place cuz they never really say (if they did, i probably zoned out).Like how did they get recruited and out in the field? Did they have to go to college, did they... show more ive been watching a few movies a bout spies lately ( most of them including tom cruise :P) and i was wondering how did they become spies in the first place cuz they never really say (if they did, i probably zoned out).Like how did they get recruited and out in the field? Did they have to go to college, did they have to kill someone?
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