In the days leading up to the attack on the Canadian Parliament, Michael Zehaf-Bibeau was living in a homeless shelter in Ottawa.
His parents have apologized for the actions of their son, who is suspected to have had mental health issues.
Our correspondent in Ottawa, Lorna Shaddick says law enforcement is still trying to figure out his motive.
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Our correspondent in Ottawa, Lorna Shaddick says the residents of the Ottawa mission witnessed some odd behavior by Michael Zehaf-Bibeau
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