GO, DAVID, NO! NO! GO GET MY MEDICAL BAG OUT OF THE KIT. >> THIS MAN called 911 because he was scared and stranded, but instead of helping him, officers surrounded his car, escalated the situation, and turned a mental health crisis into a deadly confrontation. >> You don't want to hurt yourself, right? You don't want to hurt anybody else? >> I'm doing my best, but I can't get out of the vehicle. >> What do you mean you can't get out? >> I will not get out of the >> Oh, you don't want to get out of the vehicle. Cuz you're still scared. Hey, if you don't open the door, we're going to have to break it to help you out. I don't want to break your window, cuz then you're going to have to fix it. Tase him. Tase him in the back. Don't do IT, CHRISTIAN! DON'T DO IT! DROP THE KNIFE! >> DROP THE KNIFE! >> DROP THAT KNIFE! SOMEONE TASE HIS ASS. >> GO, DAVID, NO! NO! GO GET MY MEDICAL BAG OUT OF THE KIT. >> OH MY GOD. What do we do? >> Send medics up. >> A call for help should never become a death sentence.