Jury divided on self-defense claim in shooting of YouTube prankster

YouTube prankster Tanner Cook was shot by delivery driver Alan Colie at a Virginia mall food court on April 2.
Defense argues Colie felt threatened and acted in self-defense, while prosecutors say Cook's actions weren't threatening.
Video shows confrontation between the two men before Colie shoots Cook in the chest.
Jury unable to reach verdict on whether shooting was self-defense or done with malice.
Colie acquitted of main charge but convicted on lesser firearm count; fate still uncertain.