HUNTSVILLE, Alabama - When a young woman in Massachusetts killed her brother with a shotgun blast in 1986, authorities waited more than a week to question family members and the death was ultimately ruled an accident. Now, a quarter-century later, Amy Bishop is accused in another shooting — an attack that killed three fellow biology professors at the University of Alabama in Huntsville. In the days since Friday's shooting, revelations about Amy Bishop's past have... (GunPolicy.org)