I bought the online poison that killed my son - it was disturbingly easy

I bought the online poison that killed my son - it was disturbingly easy

In October 2021, Tom ended his own life (Picture: Supplied) The innocuous-looking envelope arrived through the letterbox in a tiny packet that could fit in the palm of your hand. However, the contents that landed on David Parfett’s Maidenhead doormat were anything but harmless. Inside the plastic ziplock bag was 50 grammes of a lethal white substance. After looking intently at his delivery, David put it back into its Canadian-stamped packaging a…