A Canadian man has been found guilty of participating in a terrorist group that allegedly planned to storm parliament and behead the prime minister.
The 20-year-old was arrested in 2006 along with 17 others in a massive anti-terrorism operation in Toronto.
Delivering the verdict, the judge said there was "overwhelming" evidence that a terrorist group existed and that the accused "knew what it was about".
The trials of 10 others, including the alleged ringleaders, are still pending.
Charges against the remaining suspects have since been dropped.
The man, a convert to Islam, cannot be identified under Canadian law as he was a minor at the time his arrest in 2006.
He had denied all terrorism-related charges, and his lawyer argued that the bomb plot was a "jihadi fantasy" that the accused knew nothing about.
However, Superior Court Justice John Sproat found him guilty of attending terrorist training camps and described him as an eager "acolyte" of the ringleader.
"He clearly understood the camp was for terrorist purposes," the judge told a court in Ontario.
"Planning and working toward ultimate goals that appear unattainable or even unrealistic does not militate against a finding that this was a terrorist group," he said.
He found the defendant guilty of participating in a terrorist organisation rather than the more serious crime of plotting bomb attacks - a charge faced by some of the group.
The cell members were arrested in the summer of 2006.
Prosecutors said the group conspired to obtain several tonnes of ammonium nitrate - a fertilizer that can be used to make explosives - and bomb key Canadian landmarks including the parliament buildings in Ottawa.
Canada's intelligence agency described the alleged campaign as "al-Qaeda inspired".