Arriving in Santiago for an official visit, he said Britain wanted Chile to continue its criminal investigation to find out how Jonathan Moyle died.
Moyle was found hanged in a hotel closet in Santiago in March 1990. Police at first said he killed himself. But an investigating judge said he believed Moyle was murdered.
Mr Hurd said: 'Our interest is that there should be, as there is, a full and thorough investigation.'