How much of the increase in violent crimes is not due to a leniency of capital punishment, but due to no effort in actual rehabilitation due to city/state/feder

How much of the increase in violent crimes is not due to a leniency of capital punishment, but due to no effort in actual rehabilitation due to city/state/federal cost-cutting measures? Privatizing prison builds an economic model that incentivizes creating repeat offenders. Withholding or making rehabilitation unattainable for the majority benefits the prison, but offers zero benefit for America as a society.