If you speak Arabic, are ex-military intelligence, or have some other skill the alphabet agencies might want—why not consider intelligence work?
Even if you have a lot of debts, if you have enough skills and show a proactive intention to get rid of your debts, these agencies may consider you.
Check out: http://www.intelligencecareers.com/
Also: CIA, NSA, and other govt websites. You are a researcher—find those urls.
If you hold dual citizenship with another country, you may have to give it up. Discuss this upfront.
Do they supply the trench coats? Doubtful.