dav davis's best friend leeland brunson among those that testified. >> do you love jordan davis? >> yes. >> are you lying for jordan davis? >> no. >> reporter: he was sitting next to davis in the back of a red suv when an argument over loud music broke out at a jacksonville gas station. >> it's fair to say he asked for a common courtesy just to lower the music, correct? >> yes. >> reporter: kevin thompson says dunn parked next to them asked them to turn down the music. thompson described it in court as pretty loud and said dunn told them -- >> turn your music down. i can't hear myself think. >> reporter: everyone agrees the music was turned down, but that's when things escalated between davis and dunn. >> isn't it true that jordan davis said to you, [ mute ] that turn it back up. >> yes, sir. >> reporter: thompson testified he did exactly that, and that he turned the music back up. 's at that point the timeline gets fuzzy. dunn told investigators he heard threats, then saw a weapon. >> i saw a barrel come up on the window. luke a single shot shotgun where there's a barrel. and se