Government tip-off prompted spy agency to look into federal scientist, CSIS says

Muzammil Hussain July 21, 2026

An old grainy image of a man in glasses.

The country's top spy agency says Natural Resources Canada approached it with concerns about former federal scientist Dennis Lu more than two decades ago — not the other way around — and has made a rare disclosure of one of its documents in court to set the record straight, CBC News has learned.

The country's top spy agency says Natural Resources Canada approached it with concerns about former federal scientist Dennis Lu more than two decades ago — not the other way around — and has made a rare disclosure of one of its documents in court to set the record straight, CBC News has learned. An old grainy image of a man in glasses.

The country's top spy agency says Natural Resources Canada approached it with concerns about former federal scientist Dennis Lu more than two decades ago — not the other way around — and has made a rare disclosure of one of its documents in court to set the record straight, CBC News has learned.