1. Vast amounts of money earned through the death or suffering of people, hence the “Kill” in Killions.
Industries such as the illegal drug trade, gun manufacturing, the oil and coal industries, etc. all make Killions of dollars each year, at the expense of thousands of innocent civilians around the world.
Monsanto makes Killions of dollars every year while it poisons us with pesticides and other toxins in our drinking water.
A person who knew about an imminent pandemic, contributed to a disinformation campaign about it's seriousness, and profited from it by selling stock before the public was aware of the severity. (Then buying things like stock in teleconferencing software).