Angels memorial
Taimy Alvarez/South Florida Sun-Sentinel via AP
Zack King, left, comforts friend Mychal Bradley in front of 17 angels representing those who died in Wednesday's shooting at Marjory Stoneman Douglas High School Thursday, Feb. 15, 2018, in Parkland, Fla. The teenager accused of using a semi-automatic rifle to kill more than a dozen people and injuring others at a Florida high school confessed to carrying out one of the nation's deadliest school shootings and concealing extra ammunition in his backpack, according to a sheriff's department report released Thursday.