SACRAMENTO -- Sac State alum turned filmmaker Ryan Coogler has made a film on a tough subject.

He is telling the story of Oscar Grant, the unarmed 22-year-old who was shot and killed by a BART officer at Oakland's Fruitvale Station in the early morning of Jan. 1, 2009.

The film chronicles the ordinary actions of Grant, as his day takes a devastating turn.

His film, "Fruitvale Station" was the winner of the Grand Jury and Audience awards at the Sundance Film Festival.

The film hits theaters today.

View the official trailer for "Fruitvale Station"

Listen to Kitty O'Neal's complete interview with the director of "Fruitvale Station" Sac State alum Ryan Coogler.