A New Irish Heartbeat

The writing of *Silk, Steel, and Honor* had been an emotional crucible for Maeve O'Connor Callahan. For seven months, she had secluded herself in the third-floor library of their Beacon Hill home, surrounded by dozens of cardboard evidence boxes, encrypted thumb drives, and the worn spiral-bound notebooks her father had carried during his thirty years on the Boston Police Department. There were nights when the grief had returned with suffocating…