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Steve Cavanagh on Conmen, Lawyers, and the Birth of Eddie Flynn

publication · 2026-08-03

Former lawyer turned crime writer Steve Cavanagh has released his tenth novel, 'One Of Us is Guilty', featuring his signature character Eddie Flynn, a conman turned lawyer. Cavanagh, who grew up in Belfast and worked as a solicitor, drew inspiration from his courtroom experience, noting that misdirection, distraction, persuasion, and manipulation are skills shared by conmen and trial lawyers. His debut novel, 'The Defence', was signed in a police custody suite in Bangor, County Down, after a custody sergeant bought it from Eason's. Despite initial rejections from over 50 agents, Cavanagh's career took off with 'Thirteen', whose tagline 'The serial killer isn't on trial, he's on the jury' resonated with readers. He has sold over five million books globally, translated into more than 40 languages, and has been praised by author Freida McFadden, who called 'Kill for Me, Kill for You' a masterpiece. Cavanagh's latest novel explores extreme wealth and power in America, and he is critical of AI companies, accusing them of piracy. He plans to take a break from Eddie Flynn to write a standalone novel and a Sherlock Holmes story for the Conan Doyle estate.

Key facts

  • Steve Cavanagh is a former lawyer turned crime writer from Northern Ireland.
  • He has released his tenth novel, 'One Of Us is Guilty'.
  • His character Eddie Flynn is a conman turned lawyer.
  • Cavanagh's first book signing took place in a police custody suite in Bangor, County Down.
  • He was rejected by more than 50 agents before getting representation.
  • His novel 'Thirteen' changed his life with the tagline: 'The serial killer isn't on trial, he's on the jury.'
  • He has sold over five million books globally, translated into more than 40 languages.
  • Freida McFadden praised his thriller 'Kill for Me, Kill for You' as a masterpiece.
  • Cavanagh is critical of AI companies, accusing them of piracy.
  • He will write a Sherlock Holmes story for the Conan Doyle estate.
  • He grew up on Palestine Street in south Belfast and went to school in Ballynahinch.
  • He used his mother's maiden name, Cavanagh, as a tribute to her.
  • His writing partner is a dog named Muffin.
  • He was inspired by Clarence Darrow, a famous Chicago trial lawyer.

Entities

Artists

  • Steve Cavanagh
  • Eddie Flynn
  • Freida McFadden
  • Clarence Darrow

Institutions

  • Sunday Times
  • Conan Doyle estate
  • Eason's
  • BBC

Locations

  • Lisburn
  • Belfast
  • Ballynahinch
  • Dublin
  • New York
  • Bangor
  • County Down
  • Northern Ireland
  • United States
  • United Kingdom

Sources