A MODERN MURDEROUS MEDEA...In June of l985, while her teenage sons held their half-sister down, Theresa Cross beat her l9-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.