Marjory Stoneman Douglas student Alfonso Calderon: "Trust me. I understand. I was in a closet, locked for 4 hours with people who I would consider almost family, crying and weeping on me, begging for their lives. I understand what it is like to text my parents goodbye." (via CBS) pic.twitter.com/APlHok201e— Kyle Griffin (@kylegriffin1) February 21, 2018