Basically a person say has been convicted of murder. He did it. He bribes witnesses and manufactures evidence to clear himself while in jail.
What is the word or words for when a person gets himself falsely exonerated for a crime?
to get off TFD an idiom
To cause someone to receive a less severe punishment or avoid punishment altogether. In this usage, a noun or pronoun can be used between "get" and "off."
Do you really think you can get this guy off with a lighter sentence?
To receive a less severe punishment or avoid punishment altogether.
I can't believe that known criminal got off with such a light sentence.