Russian millionaire businessman Alexander Perepilichnyy and Chinese billionaire Long Liyuan might have something in common. A pretty but deadly plant. The plant in question is Gelsemium. Long used as a homeopathic treatment, it is in fact a deadly poison.

In 2012, Perepilichnyy collapsed and died at his home, his death was sudden and unexpected. These things do happen, but when they happen to someone who was scheduled to testify in a fraud case against a Russian tax official and who had apparently been receiving death threats after his whistle-blowing, it gives one pause.

Traces of the toxins found in the Gelsemium plant, also called woodbine, were revealed in Mr. Perepilichnyy’s stomach contents and even though the death was officially attributed to natural causes—-and indeed it might have been—the possibility of this being a murder by way of plant poison exists.

I mean, it’s not like the Russian’s haven’t done this…