Before the Devil Knows by R. John Dingle
Before the Devil Knows is the third installment in the critically acclaimed and award-nominated Gus Wheeler FBI Thriller series by R. John Dingle. This dark crime thriller follows Agent Gus Wheeler and his partner, Vanessa Lambert, as they investigate the murder of a 17-year-old boy, which quickly unearths a series of murders connected to ancient religious practices in a small town in northern Maine.
Gus and Vanessa are assigned a disturbing case: the disfigured body of a missing teenage boy is discovered in a shallow, unmarked grave in Kingston, Maine. Although they anticipate a difficult investigation, they are unprepared for the horrifying twist; the corpse bears an ancient-looking lead cross embedded along the length of the torso. The markings and the cross resemble those of a cold case of a 52-year-old male victim from eighteen months earlier.
Upon arriving in Kingston, the agents learn of a missing girl believed to be connected to the victim, possibly his girlfriend. Their investigation is, however, complicated by an uncooperative community; even the victims’ families are reluctant to assist them. As Gus and Vanessa conduct their investigation, they uncover two more unmarked graves.
Where Faith and Fear Converge
Their investigation then begins to point them toward ancient scriptures and to a local church led by a man who’s guided by strict religious beliefs rooted in Catholic fundamentalism and the Old Testament. To better understand the religious elements, Gus and Vanessa enlist the help of a religious and biblical studies expert. They also secretly receive help from one of the church members.
The more they investigate, the more bodies they discover, and the more brutal the nature of the murders appears. As the body count rises, so does resistance from the church and the community. And the agents even become targets themselves. As they try to find evidence for an arrest while still fighting off whoever is targeting them, another victim is captured. So, Gus and Vanessa must run against time to save the victim and uncover the truth before it’s too late.
Before the Devil Knows explores dark and unsettling themes centred on the intersection of faith, power and violence. Dingle’s characters are just as interesting in this book as in the first two. Gus Wheeler is a steady, observant and quietly authoritative individual, while his partner Vanessa has a sharper and more reactive edge. The duo creates a dynamic where each instinctively fills the other’s gaps. Their sibling-like bond and protectiveness toward each other are refreshing and engaging, and their ability to joke around humanizes them and helps them cope with the brutality of their work.
Characters like the reporter, the bible studies expert and the pathologist reinforce the mystery, the tension and the procedural depth of the story, and characters like Juju, the townspeople and church members serve a clear narrative function that contributes to an atmosphere where trust is scarce, and where everyone feels like a potential piece of a much larger and more disturbing puzzle.
A Landscape Steeped in Dread
Dingle effectively creates moods and tones through the setting. For example, the isolation of Kingston is emphasized through details like lost phone signals, narrow roads and dense forests, and ominous moods are built through cemetery scenes like the iron gate, enclosing woods and religious carvings on trees.
High-tension scenes in Before the Devil Knows are staged like dramatic close-ups, followed by shocking cuts to grotesque focal points and evoke a film-like storytelling. The action scenes stick to practical limitations, such as visibility issues and intense physical effort, and unfold through step-by-step problem-solving and realistic human reactions under stress. Even when the stakes are high, the action feels earned rather than artificially engineered for drama.
Dingle doesn’t shy away from brutality either. The crime scenes are graphic and have intense forensic imagery that is visceral and unflinching and borders on clinical horror, highlighting the author’s commitment to strong procedural authenticity and realism, which I truly appreciated.
Before the Devil Knows will keep you off balance. It carefully sows suspicion while steadily shifting the ground beneath you, leaving no theory entirely secure. If I don’t stop here, I will reveal too much. Thank you, Mr Dingle, for crafting another captivating and bone-chilling crime thriller. I thoroughly enjoyed this one and look forward to the next.
About R. John Dingle:
R. John Dingle lives and writes from a restored 200 year-old house, on a small island in Mid-Coast Maine. The often-haunting themes of the rocky coast, as well as a lifetime of experiences in and around New England’s small towns, farms, and cities, provide excellent inspiration for the tones and moods reflected in Dingle’s mysteries and psychological thrillers. He is the author of the critically acclaimed and multi-award nominated Gus Wheeler FBI Thriller series, which includes Karma Never Sleeps, Wings of Madness and Before the Devil Knows.
