By WEIYI CAI and JUGAL K. PATEL from NYT U.S. https://nyti.ms/2WE7TgC
A Half-Century of School Shootings Like Columbine, Sandy Hook and Parkland
May 11, 2019
NYT
By WEIYI CAI and JUGAL K. PATEL from NYT U.S. https://nyti.ms/2WE7TgC