Walk free
Definition 1 of 1
Pro Tip 1/3Legal Acquittal
Often used when someone is not found guilty in a trial and avoids punishment. 
The celebrity walked free after the trial, amidst much public scrutiny.
Pro Tip 2/3Unexpected Outcome
Can imply surprise or disbelief that no punishment was given, despite expectations. 
Everyone was shocked when the suspect walked free due to lack of evidence.
Pro Tip 3/3Public Reaction
Use can indicate public opinion or controversy, especially in high-profile cases. 
The news that he walked free sparked a debate across the nation.