TUCSON, Ariz. - On June 17, 2019, Dana Louis Mattingly, 58, of Louisville, Kentucky, was sentenced by U.S. District Judge James A. Soto to life in prison.
On March 8, 2013, Mattingly, while serving a sentence for armed bank robbery, entered the cell of another inmate in the U.S. Penitentiary in Tucson, bound him, then choked and repeatedly stabbed him to death. Mattingly entered a plea of guilty to first degree murder on Feb. 27, 2019.
The investigation in this case was conducted by the Federal Bureau of Investigation, in Tucson. The prosecution was handled by Carin C. Duryee and Carmen F. Corbin, District of Arizona, Tucson.
Source: U.S. Department of Justice, Federal Bureau of Investigation (FBI)
