Boeing whistleblower found dead after testifying against the firm. John Barnett was known to have repeatedly expressed his concerns about the American manufacturer's production standards.

The 62-year-old man died from a “self-inflicted” wound, according to the coroner. For the moment, there is no evidence to suggest a criminal act, but a police investigation is still underway. Also read “As in The Exorcist”: investigation after the technical incident in a Boeing over New Zealand.