Could a self-monitoring system for criminals replace prisons one day?

Could a self-monitoring system for criminals replace prisons one day? Future Chronicles is our regular speculative look at inventions yet to come. In this latest installment, we journey to 2050, when technology had been developed so that criminals could be monitored at home. "It's no surprise that the first countries to abolish prisons were Scandinavian " In the 2020s, the US was spending an eye-watering $182 billion a year on locking up its citizens. No other country imprisoned as many people or spent as much in doing so.