‘A deliciously dark, twisty turny thriller with characters who leap off the page’ John Marrs

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The Serial Killer Support Network: A shocking psychological thriller that will keep you guessing until the last page (Secret Vigilante Book 2) by Darren O’Sullivan
Darren O’Sullivan

Darren O’Sullivan

Darren O’Sullivan, also writing under the name DB Stephens, is a bestselling author, screen writer and award nominated theatre director. 

His new thriller under the name DB Stephens, The Serial Killer Support Network, will be  published in April 2026 published with HarperCollins imprint, One More Chapter.

Novels under DB Stephens should be read in the order below.

THE SERIAL KILLER SUPPORT GROUP (May 2025)

THE SERIAL KILLER SUPPORT NETWORK (April 2026)

His 9 thrillers in his name can be read in any order. 

OUR LITTLE SECRET (July 2017)

CLOSE YOUR EYES (May 2018)

CLOSER THAN YOU THINK (March 2019)

DARK CORNERS (April 2020)

THE PLAYERS (May 2021)

THE PRICE (June 2023)

THE NIGHT THEY STOLE MY BABY (May 2024)

THE HUSBAND (Nov 2024)

DARE ME (April 2025)

OUR DAUGHTER IS MISSING (Jan 2026)

You can follow Darren on:

Instagram @darrensully, 

Facebook @darrenosullivanauthor

Events

Creative writing workshop for aspiring writers.

on the 30th April, I an providing a whistle-stop look at some of the key components needed to make a 90,000-word novel feel manageable. The session will examine the stepping-stones that can take an idea to a structured layout of what happens in stories. Within this, he will also look at character arc, conflict, reveals and twists, and climax. By the end of the session, writers should be able to apply this strategy to their own ideas and begin...

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