A 34-year-old Cheyenne man has been found guilty of two counts of first-degree murder and one count of attempted first-degree murder.

Nathaniel Castellanos was convicted of the shooting deaths of 25-year-old Megan McIntosh and 21-year-old Corey Walker, as well as the shooting of of 24-year-old Amber McGuire in August of 2011 at a Cheyenne residence. The jury took less than two hours to reach the verdict on Friday evening,

Castellanos could receive the death penalty or life in prison during the penalty phase of the trial, which will start on Monday.