On a summer afternoon in Circleville, a small city in Ohio, police surrounded 32-year-old Tara Lambert in a Walmart parking lot as she calmly pushed a cart full of dog food, showing almost no reaction as she was arrested for conspiracy to commit aggravated murder. But what shocked investigators even more was that she already knew exactly why they were there. Behind her picture perfect life, a bitter custody battle and a carefully hidden secret had been building for years, one that would unravel into a plot so disturbing it’s hard to believe it was real…