I checked my last name and found somebody with the first name Shawn who’s donated 360+ times since 2012 - to ActBlue but also to Schiff For Congress once. Thing is, he’s listed as a rural mail carrier for USPS but the fedgov search calls him a FORMER fed employee, in 2014. Donations made under that USPS job description continue right up to June of this year though.
He’s in MN so anything is possible but I wonder if it would be possible to contact him and ask him if he is aware of all these contributions. If they’re able to take federal employee info and use that forever, that would give a clue for who to search - for instance, search all the USPS employees and see how many have given 360+ donations to ActBlue.
Called my state AG office and they had me send links to what I found.