Last week, college student Dean Santos stood with dozens of other protesters in San Francisco as they surrounded a federal bus believed to be carrying immigrant detainees bound for deportation. Their goal: To keep the bus from leaving.

It was the most recent in a series of increasingly bold — and risky – protests, because some of the protesters themselves face possible deportation.

KPCC's Leslie Berestein Rojas examines the more aggressive approach among young people who publicly declare their undocumented status, to protesters blocking a bus full of detainees.