NEW : Dunn testified that Davis threatened him , and he decided to take matters into his own hands upon seeing what he thought was the barrel of a gun sticking out of the Durango . The murder was about justice , not money , said Creshuna Miles . Michael Dunn killed Jordan Smith , 17 , after an argument over loud music . Dunn was hung on the charge of first - degree murder .
NEW : The murder was about justice , not money , said Creshuna Miles . Michael Dunn killed Jordan Smith , 17 , after an argument over loud music . Dunn was hung on the charge of first - degree murder .