Man reportedly suffered injuries after being arrested for uttering threats
Arlene Westervelt died while canoeing with her husband on Okanagan Lake in June 2016
Man discovered deceased by apparent self-inflicted means a day after police called to help
Independent Investigations Office of B.C. looking into March 29 incident
Independent Investigations Office of B.C. closes books on October incident
The man was arrested by North Cowichan/Duncan RCMP on Sept. 28
One man was seriously injured as a result of the Aug. 24 collision