Canada's spy agency wants to shield the identities of five current and former employees from the public when they testify in the lawsuit of a Montreal man who was detained in Sudan - prompting vehement objections from the man's lawyer.

The federal government has quietly settled the lawsuit of a Montreal man who complained he was smeared by inflammatory and false accusations about extremist activities.

A review committee found the long-simmering Abdelrazik affair "did raise a number of concerns."