Walter O'Sullivan

Walter O'Sullivan is a retired Chief Superintendent who previously led the Garda National Bureau of Criminal Investigation (GNBCI). He was mentioned in connection with the high-profile case against retired Superintendent Eamon O’Neill and four serving gardaí, who were acquitted of all charges related to attempts to pervert the course of justice. During the trial, O'Sullivan denied claims that the investigation into O’Neill was motivated by personal vendettas or past failures.