Michael Dunn in court CREDIT: AP Photo/The Florida Times-Union, Bob Mack, Pool On the second try, prosecutors secured a first degree murder conviction of Michael Dunn, the man who shot and killed 17-year-old Jordan Davis after a dispute over loud music at a Jacksonville convenience store. Jurors found Dunn guilty of first-degree murder late Wednesday afternoon, more than seven months after another jury deadlocked on whether to convict Dunn of that charge.