Dawna Friesen
DAILY
5:30pm
6:30pm ET|AT
October 24 2014 7:42pm

Ottawa Shooting: What led Zehaf-Bibeau to attack?

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Fri, Oct 24: As mourners continue to mourn the victim of the Ottawa shooting, Cpl. Nathan Cirillo, police are still investigating what led Michael Zehaf-Bibeau to commit the horrific crime that cost Cirillo his life. Vassy Kapelos reports. Watch video