` ` Blackfish '' examines the 2010 ##s when a killer shark killed its mother . Filmmaker Gabriela Garcia explores abuse of orcas in captivity . The film received buzz from the Sundance Film Festival . `` I was very confused by that story , because I did n't understand why a killer whale who was a very highly intelligent animal would have made a decision to kill a trainer that was actively feeding it . '' CNN Films has acquired the film to premiere on October 24 .
` ` Blackfish '' examines the 2010 ##s when a killer shark killed its mother . Filmmaker Gabriela Garcia explores abuse of orcas in captivity . The film received buzz from the Sundance Film Festival . CNN Films has acquired the film to premiere on October 24 .