A possible characteristic of an ex post fact...
A possible characteristic of an ex post facto law is
Multiple Choice
it alters the legal rules of evidence, allowing evidence of guilt that is lesser or different from what the law required at the time the offense was committed.
it makes criminal an act committed less than six months after passage of the law, thus preventing the criminal from having enough time to know that it was a crime.
it inflicts a lesser punishment than the original law.
All of the answers are correct.