Set up in honour of the veteran broadcaster, it is hosted by one or other of his sons, David or Jonathan, who both followed their father into broadcasting.
While Sherlock Holmes followed footprints, Jonathan Grave uses mobile phone technology, GPS, and the digital trails left by credit cards to track his targets.
In April last year Jonathan Pincus, an economist who has long followed Vietnam, wrote a paper arguing that Vietnam's options for responding to the global financial crisis were limited.