Was Kim Philby the ultimate mastermind, who had governments eating out of the palm of his hand and could charm his way out of the hottest waters? Or do the deaths and suffering that occurred in his ideological quest put him on our blacklist? Glenn Moore, Susie McCabe and Daniel Foxx are here to find out as they debate: evil or genius.

Additional material: Eve Delaney and Christina Riggs Researcher: Christina Riggs Sound Editor: Kate Mac Production Coordinator: Liz Tuohy Executive Producer: Paul Smith

The producer was Sasha Bobak. Evil Genius with Russell Kane is a BBC Studios Audio Production for BBC Sounds.