Why are orcas called killer whales?

How did killer whales get their name and should we call them orcas instead? Orca researcher Lance Barrett-Lennard explains. Find out more about the future of the southern resident killer whales in a new CBC British Columbia podcast, Killer: J Pod on the Brink. You can subscribe now wherever you get your podcasts. »»» Subscribe to CBC News to watch more videos: Connect with CBC News Online: For breaking news, video, audio and in-depth coverage: Find CBC News o