BOISE, Idaho—A mother accused in the triple murder of her two youngest children as well as her new husband’s previous wife was willing to “remove any obstacle in her way to get what she wants,” a prosecutor told jurors Monday morning. “The defendant used money, power and sex to get what she wanted,” Fremont County…

BOISE, Idaho—The investigation started roughly 29 months ago with two missing children. It soon grew to encompass five states, four suspected murders, and claims of unusual, doomsday-focused religious beliefs involving “dark spirits” and “zombies.” On Monday morning, an Idaho jury will begin the difficult task of deciding the veracity of those claims and others in…

BOISE, Idaho—The investigation started roughly 29 months ago with two missing children. It soon grew to encompass five states, four suspected murders, and claims of unusual, doomsday-focused religious beliefs involving “dark spirits” and “zombies.” On Monday morning, an Idaho jury will begin the difficult task of deciding the veracity of those claims and others in…