Mezue ahịrịokwu na-esonụ: Dị ka Lord Advocate ọ bụ onye ozi nke na-ahụ maka mkpagbu nke Charles nke Abụọ na Scotland megide ndị Presbyterian Covenanters. Mgbe ndị
Agha nke Bothwell Bridge na 1679 Mackenzie tụrụ ndị otu Covenanters dị otu puku na narị abụọ mkpọrọ n'ọhịa dị n'akụkụ Greyfriars Kirkyard. E gburu ụfọdụ n'ime ha, ọtụtụ narị nwụkwara n'ihi mmeso ọjọọ e mesoro ha. Otú o si mesoo ndị òtù Covenanters ihe mere ka a na-akpọ ya "Bluidy Mackenzie". E kwuwo na ya na Claverhouse gbasoro iwu ahụ n'ụzọ ziri ezi. Ọ bụ ihe edoghị anya ma aha ahụ bụ "Bluidy" bụ nke oge a; ọ pụtara na "The Heart of Midlothian" (1818), nke enyere Davie Deans. Asụsụ nke ọbara na-achịkwa na akaebe a bipụtara nke Marion Harvey, nke a kwụgburu n'afọ 1681, onye na-akpọ ọbara ya na Mackenzie: ""onye ọchịchị aka ike ahụ a chụpụrụ n'ọgbakọ, George Mackenzie, onye na-akwado", n'etiti ndị ọzọ.