[3] His older brother, John Wilson Minto, was previously the sheriff as well as chief of police in Portland.

[4] In 1914, Minto was appointed as the superintendent of the Oregon State Penitentiary by governor Oswald West.

He replaced Berton K. Lawson, who had been involved in the events at Copperfield, Oregon early that year.

[5] Warden Harry Minto believed in harsh treatment of inmates, including beatings and isolation, among other disciplinary measures.

[1] Hooker's accomplice, Carl Panzram, was executed in 1930 for killing a prison employee at the United States Penitentiary, Leavenworth.