When I heard about the case it was pretty clear he was guilty; claims of "I thought I saw the other guy reach for a gun" not withstanding. What the State did not seem to establish was that he initiated the confrontation with the intent to cause serious bodily harm or death. Not sure why they didn't go with a lesser degree of Homicide other than the intense media scrutiny and political pressure. JMHO, of course.

over and said they hung on self defense. She believed he was guilty.

http://www.cnn.com/2014/02/19/justice/florida-loud-music-case/

On the murder charge, Valerie said the jury split over the issue of self-defense.

Florida law says the use of deadly force is justifiable if someone reasonably believes that the force is necessary to prevent imminent death or great bodily harm.

In his testimony, Dunn insisted that Davis threatened him and that he saw a gun. Police never recovered a weapon.

Valerie said the jury's first vote was 10-2 in favor of a murder conviction. Over nearly 30 hours of deliberations, the vote became 9-3.