Earlier quoted context omitted.
If I were a "big bad charity" I'd much rather spend my millions hiring Blackwater to go bust a few corrupt heads than pay them off. If we're going down the conspiracy theory path, at least make it exciting!
Actually, a charity devoted to rooting out corruption in developing countries would probably end up being one of the most efficient and effective for raising living standards. Hire someone to offer the bribe. Target a well-known corrupt official, and gather lots of evidence to make it obvious that a bribe has happened. Publish the results, get a scalp. On top of punishing the individual corrupt official, if every off…
Busting lower level folks probably won't fix anything. You'll just get mired in their terrible slowness and endless rules, pointless paperwork and so on. At least bribing folks, you can get stuff done.