
Kinahan hitman moved to new prison wing after ‘clash of personalities’ with volatile killer
From Crime World
Published 3/26/2026
Kinahan hitman Trevor Byrne has been moved from his wing in Portlaoise Prison after officers feared killer Warren Dumbrell had a hit on him. Dumbrell and Byrne were both serving time in the prison’s A block when they had what sources say is a ‘clash of personalities’. Nicola talks to Niall Donald…





