The last in the last hour---- the tulsa county sheriff's office wrapped up a >>> in the last hour the tulsa county sheriff's office wrapped up a conference were we saw video of the deputy involved shooting for the very first time.
>> we want to bring your attention to one parture the video now.
Awe warning some of you might find this to it's the moment reserve deputy---- robert bates---- shot "eric [shouting] >> you heard all the screaming that's the moment reserve deputy shot eric harris during an undercover drugs and guns operation.
>> we have team coverage that news conference we streamed it for you live on fox 23 and fox 23.com.
>>> sara the sheriff's office answered a lot of questions about that shooting today.
>> Reporter: we saw that video less than app hour ago.
And when you can see it i don't know if we showed this part yet or not you can actually see harris making that gun sale and the arrest team come up and him actually run out the car.
It was a very intense situation.
The sheriff's office is telling us it was that intensity and stress that caused bates to shoot harris instead of shock him with a taser.
The tulsa county sheriff's office is calling it a slip andrew capasso cure event.
A scientific phenomenon.
He thought he was using his taser when he actually pulled the trigger of a .38 caliber handgun.
>> because what's called inattentional blindness meaning that he wasn't consciously paying attention to registering it he wouldn't have been aware that the feel of the gun was different from that of the tears.
>> we learned that he was not originally a part of the force burt the sheriff's office said when harris ran all deputies got involved.
Bates reportedly jumped out of his car with a pepper ball gun in one hand.
His handgun in the other.
Bates stoled investigators during the chase he thought he put his gun away and grand his taser.
And investigators say nearly all of bates' actions were consistent with the intent to shock harris with (oJ&hXA taser shoot him.
>> bates exchanged, i shot him.
He did not have any intention to shoot mr. harris with an actual handgun.
>> Reporter: deputies claim they thought harris had a gun because the way he was running but investigators later found harris was unarmed.
>> again, this slip andrew capasso cure event is basically a way of explaining the mistake being made under a lot of stress.
So that's tulsa county qua county seas side of it.
The investigation has now been turned over to the d.a.'s office they have not yesterday made a determination whether criminal charges will be filed in this case or not.
We'll stay on top of that and bring you that information