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