Watch Iraq's counterterrorism unit raid an ISIS agent's home

Seven years ago this month the Islamic State declared its caliphate, killing thousands in its years-long reign of terror in Iraq and Syria. The group may have lost its territory, but its fighters still plague Iraq. Special Correspondent Leila Molana-Allen and Videographer Adrian Hartrick provide an exclusive look at the Iraqi counter-terror teams fighting ISIS, and the civilians caught in between.