"A magnificent story that kept this reader turning the pages." ★★★★★

"I am Nemein. I am not a murderer. I am an instrument of Nemesis — a punisher."

The anonymous manifesto floods the Dark Web, each post laced with intellectual justifications for a string of gruesome murders.

DCI Jim Sheehan and his Serious Crimes Unit are pulled into Belfast's shadowy cyber underworld, chasing a cold-blooded, narcissistic psychopath who treats killing as philosophy.

Every lead collapses into a dead end. Then Nemein's blog begins to name names — threatening Sheehan's team, and his wife.

With the killer always one step ahead, Sheehan's famed intuition is pushed to its limit.

But as the investigation finally locks onto its target, he faces an impossible choice: save his colleagues, protect the woman he loves... or stop a calculating predator who believes himself untouchable.

Murder on the Dark Web has received the Top Medal Honours Award from the New Apple Awards for Excellence.

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★★★★★ "Magnetic read!"

★★★★★ "Couldn't put the book down."

★★★★★ "An intriguing and chilling story."

★★★★★ "Magnetic, so much you can't put it down."

★★★★★ "Thrilling and intriguing, all the way to the end."

★★★★★ "Highly recommended it to detective lovers."

★★★★★ "One of my favourite books this year."

★★★★★ "Kept me hooked from the first chapter!"

★★★★★ "I absolutely loved this book and couldn't put it down!"

★★★★★ "An Engrossing Murder Thriller with a Gut-Wrenching Finale."

★★★★★ "O'Hare has developed his characters very successfully as they have tackled their various cases. I, for one, am eagerly awaiting their next challenge in what is a crime series which undoubtedly deserves a much wider audience." — A.P. Martin, Author of Codename Lazarus and Spytrap

★★★★★ "I'm not surprised by the accolades and the praise bestowed on this novel. There are weird murders, a clever and truly twisted murderer, bizarre clues and possible motives, plenty of red herrings, twists and turns galore and a fascinating background to the story. Another gripping book by Brian O'Hare. I am eagerly awaiting the next one." — Olga Núñez Miret, Writer. Ph.D. (American Literature). MSc (Criminology)