There are several synonyms for the phrase "went free." One common alternative is "released," which implies a person was freed from confinement or captivity. Another option is "acquitted," which suggests a person was found not guilty of a crime or wrongdoing. "Exonerated" is another possible synonym, which means to be cleared of any blame or suspicion. "Cleared" can also be used, indicating that a person was proved innocent or absolved of any wrongdoing. Finally, "pardoned" is a synonym that suggests someone was granted forgiveness or leniency for a past offense.