In Chicago, a young man jumps from his 30th-story hotel room; along the Missouri River, a hunter and his son stumble upon a lake whose surface is littered with snow geese, all of them dead; and in southern Alabama, Ryder Creed and his search-and-rescue dog, Grace, find the body of a young woman who went missing in the Conecuh National Forest...and it appears she filled her pockets with rocks and walked into the river. Before long, Ryder and FBI profiler Maggie O’Dell will discover the ominous connection among these mysterious deaths. What they find may be the most prolific killer the United States has ever known.

Among the buildings consumed by a devastating mudslide in North Carolina was a top-secret government research facility, and Ryder Creed has been hired to find what’s left of it. Then rescuers recover the body of a scientist from the facility who was obviously dead before the landslide. The FBI sends Agent Maggie O’Dell to investigate, and she and Creed are soon caught in a web of lies, secrets and murder that may involve not only the government facility, but decades-old medical experiments that are the subject of current congressional hearings.

Ryder Creed and his dogs have intercepted several major drug stashes being smuggled through Atlanta’s airport. But their newfound celebrity has also garnered some unwanted attention. Meanwhile, FBI agent Maggie O’Dell is investigating a series of murders and suspects it’s the work of a cunning and brutal assassin. Unfortunately, by the time she uncovers a hit list with Creed’s name on it, it might be too late.

When FBI special agent Maggie O'Dell and her partner, Tully, discover the remains of a young woman in a highway ditch, the one clue left behind is a map that will send Maggie and Tully on a frantic hunt crisscrossing the country to stop a madman before he kills again. As the body count rises, she turns to a former foe for help. As she gets closer to finding the killer, it becomes eerily clear that Maggie is the ultimate target.

Special agent Maggie O'Dell is called in to investigate a building fire with a human casualty. The local team insists the suspect is a rash and young perp, but Maggie thinks this is the work of a calculated and controlled criminal. As the acts of arson become more brazen, Maggie's professional and personal worlds begin to collide dangerously.

Special Agent Maggie O'Dell investigates the death of three teenagers, only to find herself in the middle of a conspiracy involving biological warfare.