And by the corporation for public broadcasting. Major support is provided by the john d. And catherine t. Macarthur foundation, coitted to building a more just, verdant and peaceful world. More information is available at macfound. Org. The Ford Foundation working with visionaries on the frontlines of soci change worldwide. At fordfoundation. Org. Additional support is provided by the abrams foundation, committed to excellee in journalism. The park foundation, dedicated to heightening public awaren critical issues. The john and Helen Glessner family trust. Supporting trustworthy journalism that informs and inspires. And by the ontline journalism fund, with major support from jon and jo ann hagler. Hello. Today is the day. The day of my massacre sll begin. Narrator he was a 19yearold dropout. All the kids in school will run in fear and hide. I hate everyone and everything. Y with the power or, you will all know who i am. laughing youre all goi to die. imitating gunshots ah, yeah. Cant w