TPS does not employ pathologists. Their role is investigation, no involvement as trained medical or forensic experts. Maybe that’s where the confusion arises? Collectively death investigations are a professional and collaborative partnership, a team approach. Both the Coroner and the Pathologists involved in death investigations work for the Province of Ontario. TPS work for the City of Toronto. The Prosector who at some point hopefully files charges also falls under Provincial jurisdiction. But they are not one interconnected unit under a single chain of command, and each has a distinct role and function. Pathologists Registry alphabetical list | Ministry of Community Safety and Correctional Services Both Chaisson and Pickup are listed on the registry as they are professional associates licensed by the same provincial ministry. Ontario Death Investigations Common questions about death investigations | Ministry of Community Safety and Correctional Services ETA: This is also the reason why, in the double homicide ruling, it’s impossible for there not have been complete consensus by all various partners involved.