Nancy D. Campbell, professor of science and technology studies at Rensselaer Polytechnic Institute in Troy, New York, is a historian and author of OD: Naloxone and the Politics of Overdose. JP Olsen is a documentary filmmaker, writer, and composer, director of original programming at HBO, and a teacher of journalism at Columbia University. He lives in Brooklyn, New York. Luke Walden is assistant professor of communication arts at Mitchell College in New London, Connecticut, and a documentary filmmaker. He lives in Providence, Rhode Island.