The Tulsa Police Department released video of a deadly officer-involved shooting.
You can watch the video in the player above.
Police say 58-year-old William Frost died after being gunned down by Tulsa officers on October 21, 2016.
A witness captured the deadly encounter on cell phone video. The department released its dash cam video on Tuesday.
Police say Frost had pulled a knife on a couple trying to sell a car. When Frost refused to drop the knife, officers opened fire first with a Taser and then with a gun.
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