SOURCE: Known Scams - Do not respond to these!!! - Page 2 - TEFL Forums

Note: If victims cannot pay or the plan goes South, the booby prize is Identity Theft.

50 other TEFL & ESL teacher scams are listed here but this seems to be the most dangerous imo. My guess is that the kidnappings are mostly in Latin or Middle Eastern countries and maybe Russia too. There was one case of North Korea but the American teacher fell in love with a Korean girl and decided to stay there!