This happened in Roanoke, which is left leaning. Republicans are going all out to cheat in this election.
Edit: Here is the law on tampering with ballots in Virginia. Class 5 felony
https://law.lis.virginia.gov/vacode/title24.2/chapter10/section24.2-1009/
Yeah, it can’t be done online, which is why the physical machines are the focus. They can be incredibly tamper resistant, but more importantly, impossible to get away with tampering with them.