His wife, Paulette Thompson, said that he had been receiving threats.
"There had been some threats," she said in a phone call to NBC News. "Basically, I don’t know, a lack of coverage? I don’t know details. I just know that he said there were some people that had been threatening him."
here's my ranking with only as long to think as it took to type this is a nonserious answer
Oil, Weapons, insurance, Pharma, Nestle
Weapons manufacturers wish they killed as many people as insurers.
I mean I'm pretty sure they do outside of the US, insurance social murders in the US are completely dwarfed by that outside