Part 7/10:
Online entries hinted at his discontent with societal issues, including references to the Unabomber manifesto. These reflections suggested deep-seated anger towards the healthcare system that Mangion believed failed him and many others. Despite his initial plans for a bomb, he eventually settled on a targeted attack as a means to express his outrage, marking this incident as not just a personal vendetta but a broader symbol of societal frustration.