Since then the justice system has undergone a lot of fine tuning making this extremely unlikely today.

Since then the justice system has undergone a lot of fine tuning making this extremely unlikely today.

自那时以来，（美国的）司法制度经历了许多微调（细小的调整），从而使这种（不公正的死刑判决的）情况在今天发生的可能性微乎其微。