Support WBURA teacher who was at the Parkland shooting offers advice for the Uvalde survivorsPlay05:50Download AudioA MartínezChristopher Dean HopkinsUpdated June 03, 2022 SharePeople sit Feb. 14 in front of a photo display of the 17 people killed four years earlier during a mass shooting at Marjory Stoneman Douglas High School in Parkland, Fla. (Getty Images)This article was originally published on June 03, 2022.