I warned about Iran sleeper cells in 2017. Nobody listened

On Oct. 23, 2026, Director of National Intelligence Jay Clayton warned Secretary of State Marco Rubio that Iranian plots to kill Americans abroad had reached advanced stages. The Axios warning raises a larger counterterrorism question: How much does Washington understand about the clandestine networks capable of turning Tehran’s threats into operational violence?

In counterterrorism, a consequential intelligence failure is not merely missing an imminent attack, but failing to understand an adversary’s doctrine, operational networks, strategic patience, and capacity to strike before the threat becomes visible.