FORT MADISON – A convicted Iowa murderer died of natural causes in prison.
John L Barrett was pronounced dead due to natural causes at 1:25 A.M. on Saturday, September 3, 2022 while in hospice at the Iowa State Penitentiary where he had been housed due to chronic illness. Barrett was 82 years old at the time of his death.
Barrett had been serving a life sentence for the crime of Murder 1st Degree from Pottawattamie County. He began serving his most recent sentence on August 1, 1986.