Edinburgh prisoner who attacked teen while posing as detective dies behind bars'Every death, whether in prison custody or in our communities, is a tragedy'Greg Duffy died at HMP Edinburgh on March 13 (Image: SWNS)An Edinburgh prisoner jailed for attacking a teenager while posing as a police officer has died behind bars. Greg Duffy, 28, passed away at HMP Edinburgh on Friday, March 13. The Scottish Prison Service said 'every death is a tragedy' as they confirmed Duffy had passed away. Duffy was serving a sentence of over five years after posing as an undercover detective. It's understood the teen reported a suspected drug dealer to police before the incident.
Source: Daily Mirror March 19, 2026 22:38 UTC