Incident report for investigating the DeAutremonts

This US Postal Inspection Service incident report for for a "D", depredation, case is numbered 57883 D. It is a card file reference for work on the investigation into the DeAutremont brothers' holdup of a train and murder of three railway employees and a mail clerk in Oregon on October 11, 1923. The report summary of the indecent reads, "Train hold-up and murder of three trainmen and a Mail clerk in the Siskiyou Mountains of Oregon. October 11, 1923, by the three brothers, Roy, Ray, and Hugh DeAutremont."

The investigation and search for the perpetrators involved many postal inspectors between late 1923 and the arrests, trials, and convictions of Hugh, Ray, and Roy DeAutremont in 1927. The incident is stamped on the front and back between 12 November 1926 and 1 June 1927 along with many file numbers that are not dated, representing ongoing investigation and changes in the case work.