tara o'toole who advises all of us on this important subject. we are deeply concerned about the biological threat, whether intentionally induced, naturally occurring or accidentally released. i want to emphasize those three issues. because this is not a report just on intentionally induced biological threat. it also covers the naturally occurring ones or the accidentally released. i want to take a moment to address the threat now, but let me recommend that you get a classified briefing at your earliest opportunity. make no mistake, we have been told that our enemies are seriously considering the use of biological weapons. during the invasion of afghanistan, the united states uncovered evidence that al qaeda was trying to develop biological weapons. more recently, isil has gained control of enough land physical infrastructure, scientific expertise and professional military personnel to potentially create and deploy biological weapons. and they have expressed their intent to use them. additionally, the verification protocols associated with the bi