Officer Planer was shot and killed while investigating suspicious activity in an apartment complex parking lot. Officer Planer was working a plain-clothes, off duty security detail when he observed the man attempting to break into a car. The suspect saw Officer Planer approaching and tried to hide underneath a nearby car. The suspect then shot Officer Planer, who was unarmed.
Officer Planer had been with the agency for eight years and was survived by his daughter, father and three brothers.