FILE – This combo of file images shows Steven Carrillo, left, provided by the Santa Cruz County Sheriff’s Office, and Robert Alvin Justus Jr., in undated Department of Motor Vehicles photo provided by the FBI. Carillo has been charged in the fatal shooting of Federal Protective Services security officer David Patrick Underwood and the wounding of his partner, while Justus Jr., has been charged with aiding and abetting the murder and attempted murder, in the shooting in Oakland, Calif., on May 29, 2020. Underwood’s sister is suing Facebook, accusing the tech giant of connecting the two anti-government extremists who plotted the killing on its platform and promoting . (Santa Cruz County Sheriff’s Office, left, and FBI via AP)