следователь по особо важным делам(Пример из резюме: Experienced and Accredited Investigator of Major Crimes throughout the UK and Worldwide, including offences of Murder, Child Trafficking and Fraud.4uzhoj)
отдел по расследованию особо тяжких преступлений(Vancouver Island's major crime unit is still trying to locate the driver of a light-coloured sedan who picked up two hitchhikers near the scene of a triple homicide in rural Qualicum Beach on the morning of Nov. 1. Later that day, three bodies were found at the end of Melrose Forest Service Road near Whiskey Creek. Two of the bodies were found in a charred trailer. The third was nearby. One man, found in a second trailer, was airlifted to hospital in critical condition with gunshot wounds. The remains of four dogs were also recovered.castanet.netART Vancouver)