It’s definitely a matter of thinking outside the box since neither of us know the answer to your original question or how many emails are missing.
Realistically speaking, it is clear that Flores and Gohmert need to put some meat on the bones of their bill, on that we should agree.
Well I wish John and Jane Doe good luck.
Congress has subpoena power, John and Jane do not.
John and Jane better have a lawyer on speed-dial.
If the Bill gives individuals or groups authority then it would be something more than posturing, although I don’t see how random citizens can be given the authority necessary. Perhaps if Congress designated particular individuals or companies, but not otherwise.