He committed a violent crime. He didn’t steal a car or a lawn ornament. They held a gun to someone’s head.
Don’t care what it was. If the government screws up, should always be in the citizen’s favor.
Just like if the government can’t prove your guilt in court. It is always in your favor. They have to go above and beyond to take away your right to life, liberty, and the pursuit of happiness.
If the rule was for them to set a date for him to report to begin serving his sentence, and they messed up on the paperwork, there should be a limitation on how long they can come back and get you for it.