Johannes Mehserle was released from L.A. County Jail on Monday after serving 11 months of a two-year sentence in the death of an unarmed man in Oakland. Demonstrators gathered in downtown L.A. to express opposition to the move.Several dozen demonstrators gathered in downtown Los Angeles on Monday to protest the early release of Johannes Mehserle, the former Bay Area Rapid Transit officer convicted in the fatal shooting of an unarmed man at an Oakland train station.