- 49 people were killed and more than 50 injured in a shooting in Orlando
- Juliette Kayyem: Investigation into motivation should not preclude addressing means
CNN national security analyst Juliette Kayyem is the author of the best-selling "Security Mom: An Unclassified Guide to Protecting Our Homeland and Your Home." She is a professor at Harvard's Kennedy School, a former assistant secretary of homeland security in the Obama administration and founder of Kayyem Solutions, a security consulting firm. The opinions expressed in this commentary are hers.
(CNN)It's hard to find something positive to hold onto when a tragedy as awful as the Orlando shooting strikes. After all, Sunday's attack claimed the lives of 49 people, while leaving more than 50 more hurt, making it the worst terrorist attack in the United States since September 11, 2001.