
Understanding Sleeper Cells
Sleeper cells are covert operatives or assets that remain inactive until activated for a specific purpose. Federal authorities have recently warned that these sleeper cells could be activated in retaliation for U.S. and Israeli strikes on Iran, raising alarms about potential threats in both the United States and Canada.
In the wake of heightened tensions, the FBI and the Department of Homeland Security have been on alert since the killing of Iranian Supreme Leader Ayatollah Ali Khamenei. This incident has prompted concerns about sleeper cells, particularly those linked to Iranian operatives and their proxies, such as Hezbollah and the Islamic State.
Recent intelligence suggests that an encrypted communication believed to have originated in Iran may have been intended to activate sleeper assets outside the country. The sudden appearance of a new radio transmission station has further fueled concerns, as it is likely intended for clandestine recipients who possess an encryption key. “While the exact contents of these transmissions cannot currently be determined, the sudden appearance of a new station with international rebroadcast characteristics warrants heightened situational awareness,” experts noted.
Doug Ford, the Premier of Ontario, suggested that sleeper cells may exist in Canada, although authorities have not confirmed this. The Royal Canadian Mounted Police (RCMP) has previously thwarted a planned terror attack in Toronto in 2024, indicating that the threat is taken seriously. The Department of Homeland Security has issued a threat assessment stating that Iran relies on individuals with pre-existing access to the U.S. for surveillance and plotting.
The Los Angeles Police Department has been preparing for various terrorist threats since the September 11 attacks, underscoring the ongoing vigilance required in urban areas with significant populations. Notably, the number of Iranian nationals in Southern California exceeds 700,000, making it the largest population outside Iran. This demographic factor raises additional concerns about the potential for sleeper cells to operate undetected.
Historically, Iran has attempted to hire assassins to kill U.S. officials, which adds to the urgency of monitoring these sleeper cells. President Trump stated, “We’re watching every single one of them, yeah. We know a lot about them,” emphasizing the government’s commitment to counterterrorism efforts.
As the situation evolves, observers remain cautious. The existence of sleeper cells in Canada has not been confirmed by authorities, and investigations are ongoing. Details remain unconfirmed regarding the exact contents of the encrypted transmission, leaving many questions unanswered about the potential activation of sleeper cells in North America.

