EXCLUSIVE: Here’s a clip from “Illicit Ivory,” the latest installment of the long-running environmental investigative series Earth Focus. It’s an unflinching look at the bloody, brutal world of ivory trafficking, its effect on endangered elephant species worldwide and the link to insurgency groups and organized crime. Southern California’s public TV and digital network KCETLink Media Group is presenting the official premiere May 26 at the Los Angeles Zoo, hosted by animal rights activist and two-time Hitchcock star Tippi HedrenIllicit Ivory premieres at 8:30 PM May 27 on KCET and 9 PM May 28 on Link TV.