Tulsa, OK - The Tulsa Police Department has released video of a deadly officer-involved shooting that occurred last month.Police shot and killed William Frost Jr. Oct. 21 at the intersection of Admiral and South Utica Avenue. Officers said Frost, a veteran, was holding a knife and was shot after he refused to follow commands.More info ktul.com/news/local/tulsa-police-release-video-of-deadly-oct