Nov 16, 2012 1:48 PM by Katy Harris - MTN News
DEER LODGE - A Helena man was found guilty for murdering a fellow Montana State Prison inmate.
A jury found 30 year old Shaun Duncan Morrison guilty of deliberate homicide for the murder of Julio Santiago Jr.
He was also found guilty of possession of a deadly weapon by a prisoner.
On September 4th, 2011 Morrison and Santiago were both Montana State Prison inmates.
Morrison came over extreme mental distress when Santiago stole a pair of ear buds.
Morrison killed Santiago with razor blades attached to a pen.
No sentencing date has been scheduled yet.
Morrison was already serving time in the prison for theft, burglary and assaulting a peace officer at the time of the murder.