(OTTAWA, Ontario) — He seemed lost, “did not fit in,” had drug problems, and went more than five years without seeing his mother. In recent weeks, he had been living at a homeless shelter and had talked about wanting to go to Libya — or Syria — but became agitated when he couldn’t get a passport. A day after Michael Zehaf-Bibeau launched a deadly attack on Canada’s seat of government, a portrait of the 32-year-old Canadian began to emerge, along with a possible explanation for what triggered the shooting rampage. Bob Paulson, commissioner of the Royal Canadian Mounted Police, said that Zehaf-Bibeau — a Muslim whose father was from Libya — may have lashed out in frustration over delays in obtaining a passport. “I think the passport figured prominently in his motives.