Colorado Parks & Wildlife Research Library

In Gerrardsville, Colorado, two witnesses to the same tragedy give two different accounts. One guy sees a woman throw herself in front of a bus in what authorities will call a suicide. The other witness is Jack Reacher. And he sees what actually happened: A man in a gray hoodie and jeans, moving like a shadow, pushed the victim to her death--before swiftly grabbing the dead woman's purse and strolling away. Reacher follows the killer on foot, not...