Lewis Rhys Thomas Petryszyn died in his shared cell at HMP Parc on 15 April 2022 after inhaling synthetic cannabinoids without intending to end his life. The principal concern was the absence of specified timeframes for intervention, ongoing support and case-load allocation for prisoners at risk of substance misuse, creating a risk of delayed support and intervention.
Cwm Taf Morgannwg University Local Health Board
G4S Care And Justice Services (UK) Limited