In the notebook passage, Mangione concludes using a bomb against his intended victim “could kill innocents” and shooting would be more targeted, musing what could be better than “to kill the CEO at his own bean counting conference,” a law enforcement official briefed on the matter told CNN.
From the news mega:
https://www.cnn.com/2024/12/11/us/unitedhealthcare-ceo-brian-thompson-shooter-wednesday/index.html
Could be fabricated, so who knows, but bean is mentioned.
beanis confirmed