The group of seven men was arrested on suspicion of plotting terrorist activity and recruiting members to the Islamic State after they returned from Syria in 2014.
A plot that sounds comical was in fact very serious, with the plan to murder Australian police officers during a remembrance parade for fallen soldiers narrowly thwarted at the eleventh hour.
Farah Mohammed Shirdon, a Calgary native, is wanted by Canadian authorities on six charges including leaving Canada to participate in the activity of a terrorist group and instructing a person to carry out an activity for a terrorist group.
The group of five men left Portsmouth, in the UK, for Syria in 2013 to fight with the Islamic State. Four of the fighters are now dead, while one is serving a four-year prison sentence in Britain.
Authorities in France — the biggest Western source of foreign fighters in Iraq and Syria — can now seize passports and ID cards from people suspected of trying to join Islamist groups in the region.
Aymenn Jawad al-Tamimi has been so successful tracking down extremists online that he has even advised the UK parliament on the Islamic State. VICE News spoke to him about his work.