AN HOUR LATER, HELEN knocks on the door of Richard Davenport’s home. “Richard Davenport! This is Chief Helen Parr! Open up!” There’s no answer, so Helen knocks again. “Richard! Open the door! I only want to ask you a few questions.” Still no answer. But I think I hear something from inside. “Sshh, Helen,” I whisper. “Do you hear that?” Helen puts her ear to the door and looks at me. “Sounds like someone calling for help.” She pulls out her Smith and Wesson, holding it in the two-handed grip she’s adopted since her shoulder injury. “Try to open it,” she mouths to me. I stand to one side, Helen in front of the door, her weapon at the ready. Reaching across, I try the knob. To my surprise, it’s unlocked. I push the door open for Helen, who looks cautiously inside. “Stay here!” she wh

