Greg Marquis discusses the Canadian Association of the Chiefs of Police’s mobilization of anger over police killings to argue for the retention of the death penalty in the context of their associational history. Greg Marquis, Policing Canada’s Century: A History of the Canadian Association of Chiefs of Police (Toronto: University of Toronto Press, 1993), 285–9, 342–5; see also Tom Langford, “The Hanging of Peter Abramowicz and Father John Duplanil’s Efforts to Save Him,” Alberta History 59, no. 4 (2011): 1–9; Tom Mitchell, Walk towards the Gallows: The Tragedy of Hilda Blake, Hanged, 1899 (Toronto: University of Toronto Press, 2002); Kenneth Avio, “The Quality of Mercy: Exercise of the Royal Prerogative in Canada,” Canadian Public Policy 13, no. 3 (1987): 366–79. For America, see Stephen P. Garvey, “The Emotional Economy of Capital Sentencing,” New York University Law Review 75, no. 1 (2000): 26–73; David Garland, Peculiar Institution: America’s Death Penalty in an Age of Abolition (Oxford: Oxford University Press, 2010). For Britain, see Lizzy Seal, Capital Punishment in Twentieth-Century Britain: Audience, Justice, Memory (London: Routledge, 2014); Claire Langhammer, “‘The Live Dynamic Whole of Feeling and Behavior’: Capital Punishment and the Politics of Emotion, 1945–1957,” Journal of British Studies 51, no. 2 (2012): 416–41.