Columbine by Dave Cullen:
After work, they headed to Belleview Lanes. Friday night was Rock ‘n’ Bowl, a big weekly social event. Sixteen kids usually showed up—some from the Blackjack circle, some from outside. They jammed into four adjacent lanes and tracked all the scores on the overhead monitors. Eric and Dylan played every Friday night. They weren’t great bowlers—Dylan averaged 115, Eric 108—but they sure had fun doing it. They took bowling as a gym class, too. Dylan hated mornings, but Monday through Wednesday he drove to Belleview in the dark. Class started at 6:00 A.M., and they were rarely late, almost never absent. And they still couldn’t wait for Friday night: same venue, but no adult supervision. They could get a little crazier. Eric was into all this German shit lately: Nietzsche, Freud, Hitler, German industrial bands like KMFDM and Rammstein, German-language T-shirts. Sometimes he’d punctuate his high fives with “Sieg Heil” or “Heil Hitler.” Reports conflict about whether or not Dylan followed his lead. Dylan’s friend Robyn Anderson, the girl who had asked him to the prom, usually picked them up at Blackjack and drove them to the alley. But this week, she was still in Washington with her church group.