IE 11 is not supported. For an optimal experience visit our site on another browser.

Former FDNY commissioner reflects on 20 years since 9/11

03:27

Thomas Von Essen, who was the commissioner of the New York City Fire Department on 9/11, joins TODAY’s Savannah Guthrie and Hoda Kotb to reflect on the last 20 years since the terror attacks and shares what stays with him from that day.