Pollution from farmland runoff, containing the weedkiller atrazine is a possible suspect. The jury had been told that Greenwood had purchased weedkiller containing arsenic. Suffering from depression, he committed suicide by poisoning himself with weedkiller. It is considered an invasive plant but can be controlled by cultivation or weedkiller. Arcane is backed by his gang of Un-Men&colon; Dr. Deemo, Weedkiller, and Skinman. In the past, blue billy has been sold as a weedkiller. Bosses include Arcane's Un-Men, Dr. Deemo, Weedkiller, Skinman, and finally, Arcane himself.