Black Sheep Whistleblower
July 13, 2026
Based on reporting by investigative journalist Sam Cooper of The Bureau.
There are stories that make headlines for a day, and then there are stories that should force an entire country to stop and ask itself some very difficult questions.
This is one of them.
According to reporting by investigative journalist Sam Cooper, a senior Natural Resources Canada scientist is now facing criminal charges after allegedly copying thousands of sensitive government files despite Canada’s intelligence agency reportedly warning about him over a span of more than two decades.
The accused, Dennis Lu, has been charged with two counts of unauthorized use of a computer and one count of breach of trust. These allegations have not been proven in court, and Mr. Lu is presumed innocent unless and until proven guilty.
What immediately caught my attention was not simply the criminal charges.
It was the timeline.
According to court records reported by The Bureau, the Canadian Security Intelligence Service (CSIS) reportedly briefed Natural Resources Canada about Lu on at least three occasions between 2000 and 2021. Those warnings allegedly stretched across more than twenty years before meaningful action was finally taken.
Court records indicate that Natural Resources Canada eventually launched a covert internal investigation into Lu and monitored his government computer.
In June 2023, after returning from a trip to China, Lu allegedly sent nearly 2,000 emails from his government account to his personal email account while overseas. When he returned to Canada and discovered his access to government systems had been suspended, a manager reportedly restored that access so his retirement could be processed.
According to the allegations before the court, only weeks later Lu copied more than 2,600 documents from a departmental shared server.
If these allegations are ultimately proven, Canadians have every right to ask a straightforward question.
Why did it take more than twenty years to act?
Adding another remarkable dimension to this case is that an Ontario Superior Court judge has now ordered both CSIS and the Privy Council Office to disclose sensitive records as part of the upcoming criminal trial. Those records may shed light on what Canada’s intelligence agencies knew, when they knew it, and how those concerns were communicated.
The defence argues that Natural Resources Canada effectively became an investigative arm of CSIS and the RCMP during its surveillance of Lu and that he retained a reasonable expectation of privacy as a government employee. Those legal issues will ultimately be decided by the court.
Regardless of how the case unfolds, the broader public interest extends well beyond one individual.
For years Canadians have watched an increasing number of reports involving allegations of foreign interference, espionage, election interference, intellectual property theft, organized crime, and national security concerns linked to the Chinese Communist Party.
Each new revelation raises another uncomfortable question about whether Canada’s institutions have been equipped to respond quickly enough to evolving threats.
As I have written previously, public confidence in our institutions depends not only on identifying risks but on acting decisively when those risks are identified.
When warnings reportedly exist for decades before criminal charges are eventually laid, Canadians deserve an explanation.
How many warnings were issued?
Who received them?
What action was taken?
Why were the alleged activities able to continue?
These are not partisan questions.
They are questions of national security and public accountability.
Investigative journalists such as Sam Cooper continue to perform an important public service by bringing these matters to light. His reporting has consistently focused on issues involving foreign interference, transnational organized crime, espionage, and Canada’s national security framework.
This latest case is another reminder that protecting Canada requires more than collecting intelligence.
It requires acting on it.
If the allegations against Dennis Lu are proven in court, they will represent a significant breach of public trust. If they are not proven, the judicial process will determine that outcome.
Either way, Canadians deserve transparency about how a case involving reported CSIS warnings spanning more than two decades reached this point.
National security depends on public confidence.
Public confidence depends on accountability.
And accountability begins with asking the difficult questions.
Source: Sam Cooper, The Bureau, “CSIS Warned About Him for Two Decades. Then a Clean Energy Scientist Allegedly Copied Thousands of Files for Beijing.”
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