11.39pm: Police arrive. A squad car, driven by officer Matthew Harrity with officer Mohamed Noor in the passenger seat, arrive at the address. The officers report on police radio the incident is a "Code four", meaning no back up is required.

11.41pm: Shooting reported. The situation has completely changed. Officers call for back up requesting a police, fire and emergency response. The incident report notes at this time: "ONE DOWN… STARTING CPR."

Police radio transcript from the time shows officers reported: "Shots fired at Washburn and 53rd Street. Correction 51st. Sergeant to acknowledge shots fired and one down at Washburn."

11.46pm: Police radio in to confirm there are "no suspects at large".

Is that Noor radioing that in?

Mohamed Noor, the Minneapolis Muslim police officer who fatally shot a woman who called 911 for help, has refused to be interviewed by authorities investigating the shooting.