Portrait of the school shooter as a young man: we were told that Steven Kazmierczak, who killed five students and then himself at Northern Illinois University in February was a sweet unassuming, overachieving grad student who inexplicably snapped. He was not

By the end, there is no night or day. No sleep. Just time, waiting. He sits on the end of his bed in a broken-down Travelodge. Smokes a Newport. Stale [...]