 Nelson Mandela personally thanked him for his service.Dutton, with his teammate Lwandle Wilson Magadla, solved the case of the Trust Feed massacre, a massacre in a village of supporters of the African National Congress in the township Trust Feed in Natal in December 1988.Taking on the system they worked for, Dutton and Magadla sent a prominent policeman Brian Victor Mitchell to prison for this in 1992, the first senior policeman during the anti-Apartheid struggle to be tried and sentenced.