Well, in the case of BrooklynDad someone got access to his bank statement and saw all of the deposits from ShareBlue or something like that, sometime at the beginning of 2021. Not sure if that is still available but there were digs on him by leftist anons shortly after.
And I think that this link is the most damning of them all: https://nypost.com/2020/05/04/dem-pac-to-use-anti-terror-technology-to-counter-trumps-campaign/
Well, in the case of BrooklynDad someone got access to his bank statement and saw all of the deposits from ShareBlue or something like that, sometime at the beginning of 2021. Not sure if that is still available but there were digs on him by leftist anons shortly after.