Springfield PD: Home of the case files for LA's worst cop killing

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Pierce Brooks
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  • Onion Field Murder case files on display
  • Onion Field Murder case files on display
  • Pierce Brooks
  • Onion Field Murder case files on display
  • Onion Field Murder case files on display
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Pierce Brooks
Pierce Brooks was the lead LAPD investigator on the case before he became the Chief of Police in Springfield. Before his death, Brooks donated all of the "Onion Field Murder" casework to Springfield Police Sergeant John Umenhofer and the Department.