Iran Retaliation Risks: Homeland Security’s Cyber & Terror Concerns

John Cohen, is a former Counterterrorism Coordinator at the Department of Homeland Security, now also an ABC News Consultant (While attention has been focused on the impact of the recent US strikes in Iran, the country's active involvement in the conflict raises real concerns amongst law enforcement. The Department of Homeland Security issued a new National Terrorism Advisory System Bulletin warning of a "heightened threat environment." There's the potential for domestic cyber and physical attacks that Iran could carry out in retaliation.)