John MacLean, 57, was found by officers responding to a report of a stabbing at 101 Kendleton Drive, in the Albion Road and Kipling Avenue area on Feb. 22.
Police said two women, Libin Jama, 23, and Salma Abdulle, 19, were arrested and charged with second-degree murder on Feb. 28. They appeared in court on March 1.
Abdulaziz Egal, 21, was arrested on March 11 and is charged with second-degree murder.
Police are looking for a fourth suspect and are asking the public for assistance.
Rogar Bryan, 22, is also wanted for second-degree murder. Anyone with information on his whereabouts is asked to contact police or Crime Stoppers.