Becky Hurwitz

S-21 or Tuol Sleng Genocide Museum (http://www.tuolsleng.com/) was a Phnom Penh school turned into a prison by the Khmer Rouge, now preserved as a genocide museum.  It is estimated that as many as 20,000 people may have been detained at S-21 where they were torchered and killed. The map of Cambodia made of skulls and [...]

Pol Pot’s Shadow, a Frontline World story about Cambodia and the Khmer Rouge.
http://www.pbs.org/frontlineworld/stories/cambodia/
Includes a broadcast story from 2002 with interviews from Cambodia and more recent updates from the field.  Also some useful graphics about the history of the country.
http://www.pbs.org/frontlineworld/stories/cambodia/history.html