John Treehorn Mystery Books in Order

This short mystery finds John Treehorn investigating the murder of an Indian Posse gang member. Two bullets, conflicting fingerprints, and witnesses who refuse to talk leave him to untangle who committed the crime and who will answer for it.

FBI Agent John Treehorn returns to the Navajo Reservation when new evidence revives a long-buried federal crime. A missing prep-school leader, an old murder, and a feared legend force him to face the past he has never escaped.

A wolf uncovers a frozen hand holding an FBI badge and a final request for John Treehorn. In an isolated oil boomtown, his search for a murdered engineer merges with Raven Shelley's hunt for a missing woman.

Two bodies marked by the Indian Posse gang lead John Treehorn to a stolen weapons cache and a murdered Navajo police deputy. The deeper he digs, the more a powerful man tries to control a case tied to Treehorn's oldest failure.

A priest and his housekeeper are killed in a small upstate New York town, and the priest's private confession diary disappears. John Treehorn joins state police to connect the murders to a cold case and a secret the Church wants buried.

John Treehorn investigates the murder of a psychiatrist on the Navajo Reservation who treated military veterans with PTSD. As the case turns deadly, old memories and the lasting pain of survival close in on both investigator and killer.

In this short mystery, John Treehorn and a hired gun pursue a counterfeiter east of the Navajo Nation. One wants the criminal brought to justice, while the other wants a more permanent kind of reckoning.

John Treehorn investigates a group of twelve people who helped convict an innocent man. Now someone is hunting them one by one, and the surviving conspirators must decide whether telling the truth is safer than waiting for the killer.

John Treehorn investigates the murders of an ex-Pinkerton detective and a Wells Fargo client carrying bank bonds and a black book. Witness-protection disappearances and cartel connections deepen the case, while answers about Treehorn's late wife may finally surface.

FBI Special Agents John Treehorn and Benjamin Latimer search southern Arizona for a missing teenager. When a cartel-linked body appears on the Navajo Nation and a double murder follows, the investigation forces Treehorn to confront truths buried in his own past.

Former residents of a condemned condominium complex believe their past crimes vanished with the rubble. When a figure called the skinwalker begins closing in, John Treehorn arrives with his badge and makes clear that buried wrongdoing still has consequences.

A flooded cemetery exposes the skeletal remains of a murdered child in an unmarked grave. John Treehorn and Benjamin Latimer follow the few clues left behind, searching for an identity, a killer, and long-delayed answers for a family.

A staged murder-suicide puts John Treehorn and Benjamin Latimer on the trail of a killer targeting people tied to a protected witness. As the case develops, Treehorn makes a choice that tests the moral limits of wearing a badge.

John Treehorn and Benjamin Latimer investigate the death of a famous author found in his locked writing studio. An inconclusive autopsy and a valuable estate leave the agents sorting through suspects, motives, and one crucial clue.

When a plane piloted by the president's son vanishes over the Navajo Nation, John Treehorn and Benjamin Latimer join the Secret Service and U.S. Marshals. Political pressure rises after they learn a Mesa Cartel figure was aboard.

An inmate keeps writing to claim he was wrongly convicted, and the FBI director orders John Treehorn to reopen the case. The review puts Treehorn's partner, Benjamin "Shady" Latimer, under scrutiny for possible misconduct during the original arrest.

John Treehorn and Benjamin Latimer investigate the death of a Navajo Border Patrol agent outside a business employing undocumented workers. A mass grave reveals victims killed with military precision, raising fears that a serial killer is hiding within immigration enforcement.

This later John Treehorn Mystery returns FBI Special Agents John Treehorn and Benjamin Latimer to the series' ongoing world of difficult investigations, strained loyalties, and the pursuit of justice in cases linked to the American Southwest.