Genelin was chief prosecuter in the murder trial of actor Sal Mineo .
As a Deputy Los Angeles County District Attorney Michael Genelin prosecuted thousands of cases , many of which were in the Los Angeles Hard Core Gang Division .
District Attorney was chief District Attorney in the murder trial of actor Sal Mineo .
As a Deputy Los Angeles County District Attorney Michael Genelin prosecuted thousands of cases , many of which were in the Los Angeles Hard Core Gang Division .