Authorities: Lanesboro Inmate tries to kill prison's superintendent

A Lanesboro correctional inmate faces new charges after authorities said he tried to kill the prison's superintendent.

The State Bureau of Investigations charged Thomas Accardi with attempted first-degree murder and assault with a deadly weapon with intent to kill inflicting serious injury.

Investigators said on Friday Accardi stabbed David Mitchell multiple times in the neck and back with a plastic homemade shank.

Mitchell has since returned to work.

Accardi was convicted of assault with a deadly weapon and was currently serving a 14-year sentence.