Workers get fired for just looking at the wrong record.
Wouldn’t want to anger the Clinton machine!
Sure, if they get caught.
Considering what such evidence might be worth, there are people who would take pains to obtain it for a payday that might make a salary moot.
The medical records system is distributed. Use adequate precautions and the Clinton machine might never know who/when/where. They may also have so many fires to put off, the perp would be long gone by the time they got around to it.
The world of oppo research is also distributed and capable of stealth.