In an interview before the talk David Halpin said,
I couldn’t accept this man had died from haemorrhage from the small ulnar artery. I couldn’t accept that a man with his scientific knowledge had chosen such an uncertain method of which to kill himself.
David Halpin also stated,
I’m not saying that he was assassinated. I think it seems very likely.
What we want is an inquest to find the truth. I am saying for several very good reasons it appears like he was assassinated.