‘A serial killer has been found guilty of murdering four young men by poisoning them with lethal doses of a date rape drug.
Stephen Port, 41, lured his victims to his London flat and secretly gave them GHB, the Old Bailey heard. Scotland Yard believes there could be more victims and is reviewing 58 deaths in London spanning four years involving the drug.’
BBC News, 23rd November 2016
source: www.bbc.co.uk
