22 Murders: Investigating the Massacre, Cover-up, and Obstacles to Justice in Nova Scotia is a 2022 non-fiction book by Canadian writer Paul Palango.

The book documents the 2020 Nova Scotia attacks and critiques the police response to the two day incident.

[1] The book was written following Palango's receipt of information from a concerned Orangeville resident who had been listening to the police communication via a radio scanner at the time of the attacks.

[2] Criticism is levied at the RCMP for using Twitter rather than the phone-based Alert Ready system to warn nearby communities.

[6] Lawyer and writer Douglas J. Johnston, writing in the Winnipeg Free Press, praises Palango's research and analysis but also notes that the criticisms of the police are "largely circumstantial and conjectural".