Tekla World Healthcare Fund is a closed-end fund that invests in companies in the healthcare industry. Tekla Capital Management LLC, based in Boston, serves as investment adviser to the Fund.
OK, now apparently the theory is that someone from Brazil shot him. I can sort of see it, but there are so many factions in Brazil that that hardly narrows it down in terms of suspects or why.
Edit: I don't think Brazil is a villain here. It's a huge country. At this point I feel like everyone is just dropping ideas and while some of them make sense, it's just all...well, I wouldn't be shocked if thw shooter was never found