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3:12
Three former Khmer Rouge describe their orders to eliminate traitors and spies.
24:59
Co-director Sam Cullman discusses the activists in his film.
3:48
Radical Earth Liberation Front members set arsons as a form of protest.
1:56
How did the ELF communicate and evade capture?
20:49
Marshall Curry discusses a former radical environmentalist.
4:39
Do the ELF crimes fit the definition of terrorism?
3:06
Police respond to environmental activists in Oregon.
7:57
Millions of migrant workers make their way home.
0:47
A teenager expresses her frustrations with her parents.
20:05
Documentary filmmaker Lixin Fan talks about his film, 'Last Train Home.'
0:56
A man becomes frustrated on his trip home through China.
2:50
The Zhangs and other workers complain to the police at the train station.
