In the small Guatemalan village of Dos Erres in 1982, 250 people were killed by government soldiers.

The documentary, "Finding Oscar," traces the story of one of the few survivors who didn't even know his own history until recently. It also explores the U.S. government's role in the Guatemalan civil war, which lasted from 1960 to 1996.

Nearly 30 years after the massacre, a team sets out to uncover the truth of what happened at Dos Erres and to find a missing boy named Oscar:

"Finding Oscar," which opens in L.A. on April 21, was co-written, directed and produced by Ryan Suffern. The Frame's John Horn spoke with Suffern last September at the Telluride Film Festival.

To hear the full interview, click the blue player above.