Proposed “entry-exit” systems seem simple but have succumbed to real-world complications.
FirstNet was envisioned as a way for police and firefighters to communicate with one another in the wake of 9/11. But four years later, it’s still not up and running.
A team of workers at the Department of Homeland Security gives companies advice on protecting themselves from attacks.
An interview with the president on the challenges of homeland security in the United States.
Since 9/11, the United States has spent $1 trillion to defend against al-Qaeda and ISIL, dirty bombs and lone wolves, bioterror and cyberterror. Has it worked?