As the detectives squeezed themselves inside the tiny interrogation room, the thin man facing them from across the table exuded calm.
Khalil Wheeler-Weaver, a bespectacled 20-year-old from a law enforcement family, stretched his arms over his head as if he was drowsy and the whole notion of being in police custody was a bore.
But over the next three and a half hours, the detectives would slowly break this serial killer who thought he was too smart to be caught…