Habitat degradation , industrial poisons such as PCBs , PBDEs , and other impacts of human activities are taking their toll on the orcas we have come to know and love . '' Marilee Menard says `` Blackfish '' ignores marine parks ' dedication to wildlife research . Menard says life-saving research could n't happen without these parks . `` Blackfish '' explores events leading up to killing of SeaWorld trainer Dawn Brancheau . The documentary airs on CNN at 9 and 11p.m . TL;DR A new film about the killer whale attack in Florida is being shown nationwide for first time.
Marilee Menard says `` Blackfish '' ignores marine parks ' dedication to wildlife research . Menard says life-saving research could n't happen without these parks . `` Blackfish '' explores events leading up to killing of SeaWorld trainer Dawn Brancheau . The documentary airs on CNN at 9 and 11p.m . TL;DR A new film about the killer whale attack in Florida is being shown nationwide for first time.