After Roger disables the deputies' car, two deputies are seen. One gets out to point a gun at Roger's car, and another is seen inside the vehicle. However, when Roger uses the machine gun in the trunk on the deputies' car, suddenly there are no people in sight, either in or near the vehicle.
Frank indicates that the uncovered corpse was actually a planted cadaver from the Ottawa Medical School. Ottawa is approximately 4400 km's from the west coast of Vancouver Island. University of British Columbia would have been the closest medical school in Vancouver.
When the graphic on the screen reads "Victoria Island", which is in the Canadian Arctic, the front of the Grand Hotel is shown. This is a stock shot of the Grand Hotel on Mackinac Island, Michigan, USA. It is likely that the writers meant to depict Vancouver Island off the coast of British Columbia, where the city of Victoria is located. That would be consistent with the British Columbia marijuana trade referenced in the episode.
When Kenny and Vinny meet in the open air restaurant and talk in front of LoCocco, surely he would see through the whole thing as a setup. A man like him, of his experience, would know that a supposed professional hitter would not be dumb enough to openly discuss business and argue about guns in front of witnesses.