"The House I Live In," directed by Eugene Jarecki, was focused on the failed U.S. war on drugs and the domino effect it's had on the American penal system and society, the Los Angeles Times reported.
"Beasts," talked about throughout the festival which wrapped Saturday, is an expressionistic fable about a girl and her father trying to make it through the poverty and flooding of the Southern Delta.
The movie was directed by Benh Zeitlin.
"I hope this film is just like a flag that goes up in inspiration to other filmmakers," he said.
Ra'anan Alexandrowicz took home the jury prize for World Cinema Documentary "The Law in These Parts," focusing on the legal system in Israel and the Palestinian territories.
"Violeta Went to Heaven," directed by Andres Wood, a film about singer Violeta Parra, won the World Cinematic Dramatic Jury prize, the Times said.
Audience prizes the U.S. dramatic category went to Ben Lewin's "The Surrogate" and "The Invisible War," Kirby Dick's work about on rape in the military.