-She did wrong, impersonated a uniformed soldier, and told a blatant defaming lie.-
Where does it say that she impersonated a soldier? Anyway, I think pursuing a conviction for defamation would be the way to go. That would set the stage for a punishing civil suit that could well forestall future "cry wolf" scenarios. As long as someone is sufficiently addled to do something like this, and then admit to it.
This statement though, that 'she "might have" told Jackson that one of the Marines was named Huff or Huffman' is her possible escape route. If she can stick to that, and spin it properly, she could well walk. I'm not speaking as a lawyer ('cause I ain't), just an opinionated person.