The integrity of an inquiry into sexual misconduct allegations against the chief prosecutor of the international criminal court could be jeopardised by his ties to the body tasked with the investigation, court staff have said. The Guardian understands a number of court officials have raised concerns about Karim Khan’s links to the UN watchdog being lined up to investigate the claims. Some of the concerns, which have been raised at the highest levels of the court, relate to the prosecutor’s wife, a human rights lawyer who previously worked as an investigator at the UN watchdog, the Office of Internal Oversight