9 images. Stabbing in Judge Ambrose courtroom, 12 May 1958. Augustine Acosta (bandit -- murder suspect on trial) tried to stab officer; Gregory Valenzuela (bandit -- murder suspect on trial) tried to stab officer; Nurse R.R. Hazelwood; Roy Jones (narcotic detective); Norman Peterson (homicide detective); Robert Nichols (narcotic detective), overpowered assailants; Sargent Ned Lovretovich.; Caption slip reads: "Photographer: Rustan. Date: 1958-05-12. Reporter: Benny. Assignment: stabbed sheriff. 65/66: Narcotics detective Roy Jones, Homicide det. Norman Peterson & Narcotic det. Robt. Nichols, they saved Homicide det. Ned Lovretovich from possible death in attack in courtroom by Augustine Acosta 21 & Gregory Valenzuela, 22. Peterson is holdin...