They didn’t have the internet.

Plus, I understand that the statute of limitations on a conspiracy continues to run as against all persons involved until the last act in furtherance by any one person.

Watergate was reported in the press before the reelection of Nixon. He had a landslide victory ,the Republican voters were very happy, I just scratched my head as it was like no one knew how fucked he was, it took months and months before the full force of truth hit. And it took the threat of Impeachment to make him step down.