Learning from others - **Farrington (2006), Longitudinal study with 411 boys, aged 8-up to 48. Common offences were burglary, car theft, assault, fraud, shoplfting, drugs and vandalism. 41% of the boys had a conviction, 27% of males 8-10 had convicted parents, 42% of 161 convicted. Having convicted close family was high risk. Suggest vicarious reinforcement and encourages us to copy social group.