What started as a routine traffic stop on an Oregon highway, quickly escalates into a fatal shooting... bullets flying.
And the whole thing is caught on the officer's dash cam.
Now the video is going viral.
In it, Oregon State Police trooper Matthew Zistal pulls over this sedan on Interstate 84 for speeding. Inside a man and his three children.
The driver, 34 year old John Van Allen, gets out and refuses to get back in his car.
Suddenly Allen pulls his pistol.. squeezing off shots at the officer. The officer returns fire.
Allen is fatally shot in the chest... all the while his three children in the back seat of the car. He's found a half mile up, slouched over the steering wheel, dead,
The incident took place on August 29th.