US intelligence intercepted an encrypted radio transmission of “likely Iranian origin” shortly after Supreme Leader Ali Khamenei’s February 28 assassination, interpreted as a potential activation signal for global sleeper cells.
Federal Alert Warns of Sleeper Assets
The coded message—rebroadcast across multiple countries—appeared designed for “clandestine recipients” holding decryption keys, bypassing internet/mobile networks to instruct covert operatives. FBI Director Kash Patel elevated counterterrorism alerts; no specific threats identified, but agencies monitor unusual radio frequencies.
Context of Escalation Fears
Sent amid US-Israel strikes sparking the current war, the signal aligns with IRGC retaliation patterns like Bahrain refinery hits and Hormuz threats.[previous context] Iranian UN ambassador reports 1,332 civilian deaths as Mojtaba Khamenei pledges “regrettable responses.”
Global Vigilance Urged
While contents remain undeciphered, the transmission’s timing and international relay pattern triggered warnings reminiscent of post-9/11 alerts—no imminent attacks confirmed amid heightened West Asia tensions.