I found the movie "The Killing Fields", very emotional and quite moving. I sadly saw the guy, Dith Pran, who the reporter was based on, has now died. My deepest sadness goes out to his family.

http://news.bbc.co.uk/1/hi/world/asia-pacific/7321560.stm

The movie was incredible. I hadn't heard he'd passed away, it's sad. RIP.