The 39-year-old, a prisoner within HMP Barlinnie, died on 22 March 2024.

Mr Massonwas in legal custody and in the care of the state at the time of his death.

A preliminary hearing will be held on 21 October 2026 at Glasgow Sheriff Court. 

The inquiry will explore the circumstances of Mr Masson’s death, with particular focus on healthcare and medication management, substance misuse controls, clinical governance, and the emergency response to Mr Masson’s death.

Procurator fiscal Andy Shanks said: “The lord advocate considers that the death of Christopher Masson occurred whilst he was in legal custody and as such a fatal accident inquiry is mandatory.

“The lodging of the first notice enables fai proceedings to commence under the direction of the sheriff.”