Sociology of Crime. Durkheim argued that crime is both normal and functional. What does this mean?

Sociology of Crime. Durkheim argued that crime is both normal and functional. What does this mean?Your short answer must have a clear overall argument and must be written in comprehensive paragraph format. The aim of the assignment is to develop your critical reading and writing skills; you should not simply summarise reading materials but need to develop your own analysis of the materials and a clear answer to the specific question.