How can pre-conventional stage link to offender behaviour:
Kohlberg et al (1973) used a moral dilemma technique (e.g. Heinz dilemma) and found offenders tend to be classified at the pre-conventional level, whereas non-offenders progress high.
Pre-conventional level is characterised by:
Offenders may commit crime if they can get away with it or gain rewards (e.g. money, respect)