Poachers have broken into a zoo near Paris and shot a rhinoceros dead before stealing his hugely valuable ivory horn. #Breaking: Murders break into Thoiry Zoo, outside #Paris, kill an #endangered White #Rhino named Vincent, and saw off his horn. Why? Greed pic.twitter.com/QJ26IfANcd — Daniel Schneider (@BiologistDan) March 7, 2017 In the first case of…