Diego Novella Doughterty, 44, strangled the woman, 39, in a luxury hotel room in Cape Town after pumping himself full of drugs in July 2015.
Billionaire playboy is sentenced to 20 years in prison for murder of American girlfriend in 2015
Diego Novella Doughterty, 44, strangled the woman, 39, in a luxury hotel room in Cape Town after pumping himself full of drugs in July 2015.