Warning: This episode contains descriptions of rape, sexual abuse and death. As an epidemic of fentanyl use continues in America, causing tens of thousands of deaths each year, lawmakers and law enforcement agencies are holding one group increasingly responsible: drug users themselves. Eli Saslow, a writer for The Times, tells the story of a man whose friendship ended in tragedy and a set of laws that say he is the one to blame. Guest: Eli Saslow, a writer at large for The New York Times.