- Closing schools on the basis of an unverified threat causes too much disruption, makes public wary of their officials, says Juliette Kayyem
- Threats have to be weighed carefully and responses must be measured, she says
Juliette Kayyem, a CNN national security analyst, is a professor at Harvard's Kennedy School of Government, a former assistant secretary in the U.S. Department of Homeland Security and founder of Kayyem Solutions, a security consulting firm. She is the host of the "Security Mom" podcast. The opinions expressed in this commentary are hers.
(CNN)The decision by Los Angeles Unified School Superintendent Ramon Cortines to close the entire district Tuesday because of what was called a "credible threat of violence" was unprecedented in its scope and magnitude.