Mother's Day by Dennis McDougal

• In June of I985, while her teenage sons held their half sister down, Theresa Cross beat her I9-year-old daughter Sheila unconscious and then stuffed her into a 2' x 2' storage locker. After three days the knocking, kicking, and cries stopped. Theresa and her sons dumped the girl's body in the desolate High Sierras.... • The summer before, Theresa had dug a bullet out of her daughter Suesan's chest with a paring knife. When Suesan failed to recover (without benefit of doctors or hospital), Theresa and her two sons drove the delirious girl to the mountains, doused her with gasoline, and set her on fire.... • For nearly nine years, Theresa Cross Knorr got away with murder, until her youngest daughter, Terry Knorr Graves, finally found a cop who believed the incredible story of her two murdered sisters. That story is all here, the shocking life of a woman whose violence, jealousy, rage, and domination led to a brutally heinous crime of ruthless ferocity.