Sept. 20, 2024: Rain, snow and fall colors; Roots of Tren de Aragua

The first day of fall is Sunday. In our regular chat with Denver7 chief meteorologist Mike Nelson, we take stock of a record-hot summer, changing leaves, and what's ahead for winter. Then, the origins of the Venezuelan gang Tren de Aragua, which has thrust Aurora into the national spotlight. Later, for "Girls in Aviation Day", and encore with pioneering pilot M'Lis Ward.