ABOUT THIS STORY | Until Brian Betts mysteriously failed to appear at work on April 15, this is what his many admirers knew about him: He was the energetic new principal of a long-troubled urban school and, within a D.C. school system desperate for heroes, a superstar. But by the end of that day, a group of worried colleagues had found him shot dead in his Silver Spring home, and the upbeat narrative of Betts's two decades of work had become a tragic tale. See timeline.

Brian K. Betts. (Nikki Kahn/Post)
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