When Bob Odenkirk's Jimmy encouraged now-wife Kim (Rhea Seehorn) to partake in his criminal antics, he might've underestimated the depth of her appetite for wrongdoing.
Better Call Saul's season 5 finale ended with Kim suggesting they frame Howard Hamlin for "something unforgivable" and throughout season 6, they've been putting these dark designs into motion.
the code Francesca found out, and "HHM" - all logistical elements of accessing the Sandpiper meeting. Ominously, the final column is simply a mushroom cloud,