His debt can be paid to society and then he should be released!
Harvest his cornea, lungs, heart, kidneys, pancrease, bone marrow and intestines. There are many folks that can use the transplants.
the surgeon will then lean over and whisper in his ear, "Okay @sshole", (that's all that's left!) you're free to go!"
don't forget liver and soul (thought both may be missing, judging by that look in his eyes)