The video below from Bill Whittle is the most clear, concise reason Hotlips Hooligan and her buddy O should be indicted and found guilty of obstruction of justice.
A quick highlight of what is included in the film: Besides the exit list of information, the Constitution itself supplies both reasoning and two part sentence required for those in office who willfully destroy destroy government documents or eliminate or refuse to turn all records over prior to leaving. They can be fined, receive a 3 year sentence, or both. Additionally, they can never hold public office again. We can only hope Congress sees this.