What rule allows local prosecutors to charge Keith with first-degree murder?

Instructions:   In a paper discuss the following:  Keith lends his car to Jermaine, who drives with two other friends to the home of a marijuana dealer. The three men break into the home, intending to steal a safe full of cash. The drug dealer is unexpectedly at home, however, and in a struggle, Jermaine winds up murdering him.   ·       What rule allows local prosecutors to charge Keith with first-degree murder? ·       If you were the prosecutor, discuss why you think you’d be successful prosecuting using this rule.