CIA Moscow Veteran: Putin is a consummate liar - a podcast by BBC Radio 4

John Sipher spent 28 years with the US National Clandestine Service.

Mr Sipher spoke to Eddie Mair about his life undercover, why he's kept a brick from Osama Bin Laden's house, torture, and the Sergei Skripal poisoning.

Further episodes of The Eddie Mair Interview

Further podcasts by BBC Radio 4

Website of BBC Radio 4