BBC is reporting that an ex-Boeing employee known for raising concerns about the firm's production standards has been found dead in the United States — John Barnett had worked for Boeing for 32 years, until his retirement in 2017 — In the days before his death, he had been giving evidence in a whistleblower lawsuit against the company. According to BBC, Charleston County coroner said the 62-year-old had died from a "self-inflicted gunshot wound" on 9 March and police were investigating.