“Morell told CNN’s Jake Tapper on ‘The Lead’ that it is ‘not far-fetched’ that ISIS or other terrorist groups could gain access to weapons of mass destruction.
‘That would be the nightmare scenario: a terrorist attack, here in the United States, here in New York, another major city, that involved either chemical, biological or other nuclear weapons,’ he said.
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Source: Former CIA official: ISIS terrorist attack is possible – CNNPolitics.com