Grave Waters: A seductively dangerous and twisty crime thriller

Most federal agents can go their entire career without encountering a serial killer. For Cassidy Knox, it's starting to feel like she's collecting them. With her retirement from the Bureau looming on the horizon, FBI Special Agent Cassidy Knox is focusing on her new life, one that's filled with running the animal sanctuary she inherited... and a budding relationship that's heating up. But when the body of a man is pulled from beneath the murky waters of the Florida Everglades, locked in a g...