Patrick J. Whelan, a Fenian sympathiser and a Catholic, was accused, tried, convicted, and hanged for the crime on 11 February 1869 in Ottawa. The jury was decisively swayed by the forensic evidence that Whelan's gun had been fired shortly before the killing, together with the circumstantial evidence that he had threatened and stalked McGee. Historian David Wilson points out that forensic tests conducted in 1972 show that the fatal bullet was compatible with both the gun and the bullets that Whelan owned. Wilson concludes: