Can someone please give a 5 sentence tl;dr of (a) who this person is, (b) what the original controversy was about, and (c) why the Reddit admins care so much?

Can someone please give a 5 sentence tl;dr of (a) who this person is, (b) what the original controversy was about, and (c) why the Reddit admins care so much? This person is a former British political candidate (Green/LibDem) who allegedly concealed from electoral officials the heinous crimes committed by their campaign manager. This person is now employed by Reddit and is abusing their newfound admin access.