So either they didn't know and NaziKermits claims of careful vetting of candidates was crap *or* they've known for ages and the kompromat is released after criticism of the Dear Leader.
Either way, whole party and their supporters are, to quote Bevin, vermin or to quote Rayner, scum

#TraitorJohnson's lead cheerleader talks about people not being held to account...wow 🤯
#ToryScum