At a press conference held this morning at the Ronald V. Dellums Federal Building and U.S. Courthouse in Oakland, the Department of Justice announced that murder and attempted murder charges have been filed against Steven Carrillo, the alleged gunman in the May 29, 2020, drive-by shooting that resulted in the death of Protective Security Officer David Patrick Underwood and injuries to a second security officer. The Department of Justice also announced aiding and abetting charges against Robert Alvin Justus Jr., the driver of the vehicle from which Carrillo is alleged to have attacked the guards.