A picture of a poll book shows a bar code sticker applied to the line where the voter signed in. I don’t know where the picture is but there being so many news reports you can try to find it. I think it was from last Friday.
I presume the bar codes were a security device to tie the voter to the voter registration. In any event the poll books are not easy to alter.
Poll books would be very difficult to wash out.
Not only does it have the address and name of voter.
I think it has the signature, as well.
The signature would be impossible to forge to redo election poll books.
And that is where the problem will lie for the GOPe’s in MS.