The spring flowering of the town had not yet begun when Calvin Moore turned up dead, rolled inside a carpet in the Swarthmore College outdoor amphitheater. A worker found him naked, covered with blue paint and the number seven scratched in his stomach. Assembly, an informal discussion group, was the most unlikely group imaginable to become involved in a murder investigation. Nonetheless, the women, ranging in age from 28 to 94, approached the task with the sturdy, determined approach with which they prosecuted the rest of their lives.