By Alicia M. Cohn - 09/29/11 06:01 PM EDT
Ferdaus was arrested as part of an FBI sting operation in which he thought he was plotting an attack with members of al Qaeda who were actually undercover agents. King cautioned that while Ferdaus did not get very close to implementing his plan, he still represented a serious threat.
"[Ferdaus] didn't have the technology, he didn't have the equipment, but he had the brains, he had the plan, he had it all thought out. So really, he was 95 percent of the way there,” King told New York’s CBS 2.