By Brandy McDonnellJade Black Films LL, and the Oklahoma Film + Music Office have announced that principal photography has begun in Oklahoma on the feature film “Jade Black.”Written, directed and produced by Oklahoma native Terry Spears with an all-Oklahoman cast and crew, “Jade Black” is an action thriller about a young, highly-skilled female government agent tasked with stopping a rogue former agent from wielding a biological weapon, according to a news release.