Overview
- Assistant Coroner Emma Hillson recorded a conclusion of suicide at the Truro inquest on 10 March 2026, applying the balance of probability standard.
- Cornwall Fire Service and gas engineers found no leaks or safety faults in the Pendennis Road flat, and police reported no evidence of third-party involvement.
- A fire investigator testified it was their professional opinion that Mr Cooper caused the explosion himself.
- Mr Cooper sustained burns over 92% of his body in the 23 April 2025 blast, was airlifted to Derriford Hospital, and died after life support was withdrawn that evening.
- Evidence considered included a final note left for his niece in a box delivered after his death and a recent Facebook video, and the medical cause of death was recorded as extensive partial-thickness burns due to a house fire/explosion.