As Canada's Parliament reopened Thursday after a gunman's deadly rampage, the mother of the shooter described him as a misfit who had been adrift for years. "I am mad at our son," Susan Bibeau wrote in a statement to the Associated Press. "I don't understand and part of me wants to hate him at this time." Canadian officials have identified the attacker, who shot dead Cpl. Nathan Cirillo before himself being killed, as Michael Zehaf-Bibeau, 32. His parents' statement offered apologies but no answers. Asked whether the gunman was mentally unstable, the mother revealed that she had not seen him for five years before a lunch last week.