CHAPTER 21: TRIANGLESSEEN FROM THE PARKING LOT, the red brick walls and white trim of Exmouth Town Hall suggested a 1960s high school. Lydia and Edgar walked up concrete stairs, past signs for the shellfish warden, animal-control officer, and other town functionaries, to the police department. In the foyer Edgar wished the officer behind the plexiglass panel a good afternoon and informed him they were expected. He’d refused to explain anything in the car: why Pam wanted him to come here (if that was her idea), or why he’d offered (if it was his). Lydia got the feeling Mudge was right: Ashley’s brake failure had spooked him. But he was more than spooked. The grim set of his mouth told her Edgar Rowdey was mad. Mad at whom? About what? He wouldn’t say. When she asked, he responded with a

