Key moments in the Snowbirds crash

A former Snowbirds commander analyzes video of the recent crash which claimed the life of Capt. Jenn Casey, flagging key moments in the lead-up. To read more: Video credits: supermario_47/Twitter Atwinder Auijla Shannon Forrest Kelly Trotman Wendell Uglene/Facebook »»» 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 on Facebook: ht