4PM: DOCUMENTARY - Golden beaches, swaying palm trees, cheap alcohol and shimmering sea: For many foreign tourists, Sihanoukville looks like paradise, or at least a decent, low-rent version. However, some see it as a haven for sex tourists. BBC THIS WORLD “THE PEDOPHILE HUNTERS” (2011, 59 min) is a startling documentary following US Immigration and Customs Enforcement agents as they actively pursue American pedophiles in Cambodia and Thailand, seeking to collaborate with and train local police forces in the fight against exploitation.