Apologies for the "de-miner" bit, but couldn't fit all the relevant words onto the thread title.
I vaguely remember this happening. At least Phnom Penh have jailed some of the thugs. I wonder whether they'll get any of the real leaders before they've gone to the big temple in the sky?
http://www.guardian.co.uk/world/2008/oct/14/khmer-rouge