article_snippet: Police revealed Zehaf-Bibeau's used the internet and payphones to stay in contact with people in Ottawa and in British Columbia.
article_snippet: The autopsy toxicology report showed Zehaf-Bibeau, who struggled with crack addiction, wasn't under the influence of drugs or alcohol at the time of the attack.
article_snippet: Zehaf-Bibeau, who had a crack problem, wasn't under the influence of drugs or alcohol at the time of the attack the attack .
article_snippet: Zehaf-Bibeau's had toured the main Parliament building while posing as a tourist a couple of weeks before the attack.
article_snippet: Unlike the attacker in the caseQuebec , Zehaf-Bibeau's was not being watched by authorities.