Ken Armstrong is a reporter at ProPublica, where he specializes in longform narratives with an investigative base. He has won Pulitzer Prizes for investigative reporting and explanatory reporting, and shared in two staff Pulitzers for breaking news. His other awards include the National Magazine Award for feature writing; a Peabody Award for radio; the Edgar Allan Poe Award for nonfiction books; and the John Chancellor Award from Columbia University for lifetime achievement. His work has appeared in The New Yorker, The Washington Post and The Paris Review. A story he wrote with T. Christian Miller about a woman charged with lying about being raped became an eight-part Netflix series, «Unbelievable». At the Chicago Tribune, his reporting with Steve Mills helped prompt the Illinois governor to halt executions and commute 167 death sentences. A graduate of Purdue University, Armstrong has been a Nieman Fellow at Harvard and the McGraw professor of writing at Princeton.