As stated by Detective Inspector John Sutton, Waitematā Police:
Police investigating the death of Blake John Lee at Auckland Prison on 5 March have charged four men in connection with the incident.
They have all been jointly charged with murder.
Two 20-year-olds, a 23-year-old and a 39-year-old are due to appear at the North Shore District Court via audio visual link on 19 March.
Police are unable to comment further as this matter is now before the Court.