A private Israeli intelligence company told ABC News Monday there was a surge of online discussions in extremist Islamic forums about blowing up planes three weeks before Umar Farouk Abdulmutallab’s attempt to bring down Northwest Flight 253. The discussions recommended using “improvised detonation chain” devices, exactly like the one used onboard the Detroit-bound flight.
Advertisement
The company has also tracked specific — and in its view — credible plans to attack planes using deadly biological agents.
The company, Terrogence, is run by former intelligence agents who for the last four years have monitored and occasionally participated anonymously in extremist Internet sites.
Join the conversation as a VIP Member