 At times, Berry offered two different explanations for his actions.One was that he killed Mitroff for revenge for almost running over Berry's sister with the delivery van, while the other was that he killed him for no special reason.Based upon his confessions and significant amounts of circumstantial forensic evidence linking him to the crime, a jury found Berry guilty of aggravated murder with the death penalty and firearm specifications, aggravated robbery and aggravated burglary.