A wave of death sweeps a small congregation, puzzling Homer KellyThe Baptists of Nashoba are healthy. So are the Quakers, Lutherans, and Methodists. Every religious sect in this small New England town is in ruddy good health, save for the congregation at the Old West Church, whose members are dying like flies. As a rash of heart failure claims victim after victim, what first seemed like tragic coincidence begins to look a lot like murder. And in the small hamlets of Massachusetts, there is no be