Evan Clarke tried to claim the reward of £1000 for giving information that led to the conviction of a murderer, Treffene, of two policemen called Walsh and Pitman, under the Crown Suits Act 1898.
Evan Clarke proceeded, by petition of right under the Crown Suits Act 1898, to sue the Crown for £1,000 promised by proclamation for such information as should lead to the arrest and conviction of the person or persons who committed the murders of two police officers, Walsh and Pitman.