They could just make sentencing tougher and keep criminals in prison.
The strongest predictor (by far) for committing a crime is having a prior criminal record.
Don't you think that isolating people in poor conditions amongst hardened criminals might make them more likely to commit crime when they get released?
The strongest predictor for crime is poverty.
Don't you think that isolating people in poor conditions amongst hardened criminals might make them more likely to commit crime when they get released?