The horrific school shooting took place Feb. 14, 2018, at Marjory Stoneman Douglas High School in Parkland. (Getty Images)Two sisters hug their mother while looking on at a memorial set up for those killed at Marjory Stoneman Douglas High School. (Getty Images)Melissa Shev visits a memorial set up in front of Marjory Stoneman Douglas High School. (Getty Images)Angela Tanner rests against the fence that surrounds Marjory Stoneman Douglas High School, on Feb. 18, 2018, in Parkland, Florida. (Getty Images)People are brought out of Marjory Stoneman Douglas High School after the deadly shooting at the school in Parkland, Florida.