““Everything ends up on paper in an investigation. Detectives knew that, lawyers—especially former prosecutors—knew that, too. There were printouts, records, memos, date books. You make lists, you make notes in interviews—at the very least, you’ve got names and phone numbers on a piece of paper, so you know who to talk to. A five-month investigation, six suspicious deaths, and a unit’s worth of nurses, and the guy came out without so much as a doodle on a legal pad?””