David Sanderson 50, was rescued from a suspicious fire at his home on Aberdeen Avenue in the city’s north end on June 22.
Sanderson was rushed to hospital where he died. Autopsy revealed that Sanderson had sustained injuries before the house fire broke out.
Police are asking for anyone who had contact with David Sanderson on June 21 or 22 to contact them.
Anyone with information can call investigators at 204-986-6508 or Crime Stoppers at 204-786-TIPS (8477).
Billy-Joe Linklater, 21, and Lorie Knott, 21, were arrested on June 25th and charged with second degree murder, and arson.