Secret listeners

Author and historian Helen Fry talks about her new book, The Walls Have Ears, which describes an ingenious British intelligence operation to bug German prisoners during the Second World War. Historyextra.com/podcast

Hosted on Acast. See acast.com/privacy for more information.

Learn more about your ad choices. Visit podcastchoices.com/adchoices

Be the first to comment

Give Feedback About This Article