Four unarmed teenagers were in an SUV near where Dunn parked. After Dunn’s girlfriend went into the store to buy a bottle of wine, Dunn made a comment to the teenagers about their music being too loud. An argument ensued, and then Dunn, a gun collector, pulled out his gun and fired at the SUV between eight to nine times. Two shots hit and killed 17-year-old Jordan Davis.When his girlfriend returned to the car, Dunn drove off, admitting to her that he “fired at these kids.”After hearing a news report that someone died in the shooting at their Jacksonville hotel, the couple returned to their home to Brevard County, Fla. Witnesses of the shooting took down Dunn’s license plate number, which, on Saturday, helped police find Dunn’s house, where he was then arrested.Don't know if there is anything more to it, can't find any alternative news sources on the matter. Bit suspicious that he chose to flee the county upon hearing the news if he thought he was innocent.According to Schoonover, after his arrest, Dunn told Jacksonville detectives, “he felt threatened and that is the reason he took action.”
Edit: Tossing this in for equal measure:
Jacksonville Attorney Gene Nichols, however, said that although Dunn will most likely make a “Stand Your Ground” defense based on his statements in court, it’s a tough case to make.
Mr. Dunn is going to have to answer the question, 'Why did you not call the sheriff's office? If you are reasonably protecting yourself, why did you leave the scene, get in the car, and the next day, flee the jurisdiction of Duval County?' … There's no indication that Jordan or anyone else in that car had a gun, there's no indication that they were any threat to Mr. Dunn.