In the latest installment of “My Dad’s Unbroken Legacy” video blog, Luke Zamperini gives us insider info as to how Louie was able to recall for author Laura Hillenbrand so much of what had occurred at the Japanese prison camp.

It turns out Louie, along with many other prisoners, had secret diaries that they kept. Learn more about this practice and discover some of the content from Louie’s diary!

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