Mehserle was released in June after serving 11 months and receiving credit for time served after his involuntary manslaughter conviction by a Los Angeles jury.
Family and friends of Grant will hold a rally from 5 p.m. to 7 p.m. Saturday at Oakland's Frank Ogawa Plaza. Participants in the rally will call for an end to what they describe as a "policy of police containment of the African and Latino communities."
Grant was killed on New Year's Day in 2009 at the Fruitvale BART station in Oakland.
