There has been an error in the display of this page. There has been an error in the display of this the nav. There has been an error in the display of this page. Theories 1960s to Today : Key Terms The following terms are essential in order to complete the exercises in this unit. Click on the term to see its definition. Crime discouragers Defensible space desistance developmental theory Differential enforcement Feminist theory Hot spot informal social control life-course theory Marxist theory Motivated offender Peacemaking criminology Power-control theory Primary deviance Rational choice theory Routine activities theory Secondary deviance Situation crime prevention Stigma Suitable target There has been an error in the display of this page.