Just how many election audits have there ever been and who would have experience doing so?
Pure Propaganda
Very few, and no one person or organization may have experience in all aspects of such an effort. Each forensic election audit has to consider different issues, and the recent audit in Windham New Hampshire provides an example of the kinds of expertise required. In that case three academic experts in election technology teamed up with many volunteer election officials.
We are just seeing more media propaganda about the Arizona audit.
...and with Dominion voting machines and network connectivity?
Exactly, nobody.