They call themselves the Norman Brigade, and they're led by Hrulf, who won't reveal his real name. But he's from Quebec, served in the Canadian military and has a Ukrainian wife and children. The brigade is composed of foreign fighters from around the world, including several Canadians. The brigade recruits through Facebook. They even sell merchandise.

But former members question the leader's ability and the safety of the unit—citing poor accommodations, insufficient weapons and ammunition and a reckless leadership style. What is the Norman Brigade? Why are they fighting in Ukraine? And how dangerous are they, to themselves or to the Russians?

GUEST: Tom Blackwell, senior reporter, National post

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