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Coroner Rules Tristan O’Keefe, 19, Drowned After Amitriptyline Overdose

Evidence from CCTV, phone data and toxicology led the coroner to find he was experimenting with a prescription drug without suicidal intent.

Overview

  • Area coroner Rose Farmer recorded a narrative conclusion that O’Keefe died by drowning while profoundly intoxicated from amitriptyline.
  • The primary medical cause was listed as drowning, with amitriptyline intake recorded as a secondary cause.
  • CCTV and doorbell footage from June 9, 2025, showed him highly intoxicated, stumbling, and heading toward the river after being dropped at a pub.
  • Police found phone messages referencing a “whole bottle” and a screenshot of a Google search for “amitriptyline liquid UK.”
  • His body was discovered in a river at Pontnewynydd on June 11, 2025, and his club, Pontnewynydd AFC, later retired his number three shirt and held a vigil.