Ken Armstrong is an editor and narrative coach on Bloomberg's global investigations team. He's won Pulitzers for investigative and explanatory reporting, and shared in two staff Pulitzers for breaking news. Other awards include a Peabody for radio and the National Magazine Award for feature writing. His work has appeared in The New Yorker, The Paris Review and This American Life. He co-wrote the story that became the Netflix series, "Unbelievable." He was the McGraw Professor of Writing at Princeton and co-authored the book, "Scoreboard, Baby," winner of the Edgar Award for nonfiction. At the Chicago Tribune he co-wrote a series that helped prompt the governor to halt executions and commute 167 death sentences.