Son of Inspector John Bell Thomson, Harold was one of two men who captured and unmasked the New Plymouth Highwayman in the Criterion Hotel, 1893. During the capture, Wallath's gun was discharged and Thomson received smoke burns.
The summons of Harold Thomson to Robert Wallaths trial, as a witness for the prosecution - the charge being Shooting with intent and demanding with intent to seal the same. July and September 1893
1. Summons of witness. Harold Thomson called as a witness in a case Police v. Wallath. 27 July 1893
2. Summons served 19 September 1893 on Harold Thomson to appear in person in the case of Police v. Robert Hermann Wallath, 4 October 1893. Reverse has annotations, possibly a shopping list.