Wynn, 42, never regained consciousness after he was shot while responding to a call at a casino in the city northwest of Edmonton.
Wynn was married with three children.
The RCMP plans to hold a regimental funeral for Wynn. Details will be announced at a later date.
Auxiliary Const. Derek Bond, 49, was also shot Saturday, but the injuries were non-life-threatening.
Police say both officers were shot by Shawn Maxwell Rehn, 34, who was tracked to an unoccupied rural home east of St. Albert. When officers entered the home, they found Rehn’s body inside