of deadly force, just like george zimmerman's defense. the jury selection could wrap up today and cnn's torre dunham explains the arguments both sides are expected to make once the trial gets into full swing. it will be fascinating. >> reporter: november 2012, authorities say it began with a fight over loud music at a jackson villanueva, florida, gas station and ended with 17-year-old jordan davis shot and killed. >> i do not wish this on any parent. >> reporter: flash forward to february, 2014. the trial now underway for 47-year-old software developer, michael dunn, charged with first-degree murder and three counts of attempted murder. dunn pleaded not guilty and claimed self-defense in the shooting of the unarmed teen. he told investigators he asked davis and the three other teens parked next to him at a jackson