As the only black woman in the Senate, Kamala Harris brings Joe Biden the bevy of diversity begged for by his base as well as national name recognition and a vast fundraising machine. She will also bring Donald Trump enough ammunition that he might actually manage to eke out another surprise victory.

Team Biden’s woes begin with Kamala’s days as the crooked top cop of San Francisco and then California and span through her own failed presidential campaign that flamed out months before the Iowa caucuses. Here is just a sampling of opposition research you can surely expect Team Trump to cut into ads for the next three months: