Date Tuesday, September 11 Topic · AZ Homeland Security / 9-11 Leesa Berens Morrison, director of the Arizona Department of Homeland Security, joins HORIZON to talk about being prepared in the event of a public emergency caused by terrorism, or manmade or natural disasters. We also visit the annual Patriot Memorial Healing Field in Tempe, which is a display of nearly 3,000 3–by-5-foot American Flags erected as a memorial to the victims of the attacks of 9/11.