Crime is due to the individual, they are a criminal because of biological factors such as aggression or low intelligence.
This is worsened by poor socialisation.
Murray believed that generous welfare payments were creating a underclass typified by welfare dependent lone parent families supported by the state.
Absent fathers mean males lack a role model and turn to street gangs for male role models and status.
Criminality is a rational choice and chosen.
Crime is committed if the costs of committing it are seen as low.
Crime is seen as a freely chosen.