The Vermont Bureau of Investigation is a relatively new organization, separate from both local police departments and the Vermont State Police. The VBI is the major-crimes unit for the state, and should be invited in by local authorities for investigation of all major cases.
Two man are found dead in separate incidents. They have no identification with them and there is no obvious cause of death in either case. The cause of one of the deaths is revealed by the autopsy. The cause of the other death and the identities of the victims are discovered by intelligent and painstaking police work, under the direction of Joe Gunther, field commander of the VBI. It is also discovered that what the two murdered men had in common was that they were both sexual predators, endeavoring to meet young girls through internet chat rooms.
At the same time all this is happening, Gunther's mother and brother are in a serious car crash. Both are badly injured, Gunther's brother perhaps facing death. It appears that someone had deliberately and cleverly booby-trapped the car. But who would have had the access, the knowledge, and the motive to do that?
This is the eighteenth book in this series of police procedural novels. In earlier volumes, Gunther worked for the Brattleboro, VT police department. Now he works for the VBI, having brought his two most effective officers with him, the sardonic Willy Kunkle and the intensely dedicated Sammie Martens. They both play large parts in the investigations, with Kunkle going undercover in my favorite part of the book.
To me, the most serious flaw in the book involves a criminal pursued by Kunkle in a wild car chase. That man had committed a terrible crime against a member of a family who are known to take violent reprisals, and yet they had taken no action against this man.
The book is quite good on the whole, though, a fine entry in a reliably absorbing series.