Armed man is shot and killed during a suspected road rage incident after punching the truck and screaming at the driver

Footage allegedly shows Gavin Dasaur, 29, approaching a white Chevy pickup truck in Indianapolis
Dasaur attempts to punch the driver while holding what appears to be a handgun
He moves the alleged weapon to his left hand and continues to yell at the driver
The driver then fires repeatedly as Dasaur falls to the ground
The pickup truck driver was initially detained but later released after it was found he might have acted in self-defense