Crime is caused by a combination of biological and social factors
Biological differences between individuals make some people innately predisposed to commit crime, due to personality traits such as aggressiveness, risk-taking or low intelligence, which RRS see as biologically determined
Effective socialisation decreases the risk of offending by teaching self-control and correct values
The nuclear family is the best agency of socialisation
The welfare state is undermining the nuclear family, creating welfare dependency and encouraging the growth of an underclass who fail to socialise their children properly
Generous welfare provision has led to the growth of benefit-dependent lone parent families, since men no longer need to take responsibility for supporting their families
Absent fathers mean that boys lack discipline and an appropriate role model, so they turn to delinquent role models in street gangs and gain status through crime rather than through supporting their families
For crime to occur, there must be a motivated offender, a suitable target (victim or property) and the absence of a 'capable guardian' (e.g. policeman or neighbour)
Offenders act rationally, so the presence of a guardian is likely to deter them
Young (2011) argues that crime was already falling before ZTP came in, and police then boosted their arrest rate by 'defining deviance up' - arresting people for minor deviant acts
The police need to focus on controlling the streets so law-abiding people feel safe, and signs of deterioration (crime) need to be dealt with immediately by harsh punishment