The government announced the closure of investigations into alleged war crimes in Iraq and Afghanistan before a single soldier was prosecuted. But has there been a cover-up at the highest levels of the British military? Reporter Richard Bilton mee... (more)ts UK detectives who talk for the first time about how they were prevented from prosecuting soldiers suspected of serious crimes. And he reveals evidence that suggests the Ministry of Defence and senior officers were involved in the cover-up of torture and illegal killings.