Jason Colby comments on the death of three orcas

Three orcas, well-known to local researchers, that have been missing for months are now presumed dead. Jason Colby spoke to CTV News about the changes that need to be made to help the species survive. Colby also spoke about the misconceptions of orcas in the 1960s and 1970s for the special CBC series "Killers: J pod on the brink," hosted by Gloria Macarenko.