This report summarizes and evaluates qualitative research about so-called 'honour killings'. It focused the different perceptions of honour and the consequences faced by people engaged in 'dishonourable conduct'. It also analyzes the way the concept of dishonour is related to social structures, lifestyles and mental constructs. The information is derived from interviews and group discussions conducted in four Turkish cities with relatively high numbers of such murders. The report includes proposals for solutions to the problem and suggestions for action.