Kroger lived next door to Ace. Ace mowed his lawn at 8 am every Saturday. One Saturday as Kroger was peering out the window, he noticed that Ace recklessly mowed down his favorite rosebush. In a rage, Kroger ran outside and jumped on his mower and proceeded to crash his mower into Ace's. Ace was severely injured and died from his injuries. Kroger is guilty of _____.