They should be ordered by the house to immediately provide all of the backups or be held in contempt of congress. Immediately charge all of the higher-ups with destroying evidence if they can’t produce the backups. Give them a date sure imperative of three days and that’s being generous.
Grow some balls GOP and if you aren’t smart enough to understand the concept of servers and multiple backups then bring in competent advisors to slam down the bullshit as it spews from the filthy democrat mouths.
The first whistleblower will get rich but die a sudden death. Those pesky Mosquitos that can bite you and give you a heart attack you know.