This already happens in sentencing. If you've been convicted of similar offending in the past, the judge is going to sentence you more harshly. And in some cou

This already happens in sentencing. If you've been convicted of similar offending in the past, the judge is going to sentence you more harshly. And in some countries, if you're a proven perpetual threat, the judge can issue a preventive detention sentence. It has the advantage over the death penalty in that's reversible if a miscarriage of justice occurs.