Joe Biden had a personal collection of secret notecards to help remind him of the names and details of some of his closest allies, RadarOnline.com can report.

Concerns for the now-former president's mental health and well-being were constant during his lone term in the White House . Article continues below advertisement

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The previously hidden note cards gave crucial information to Biden about who he was speaking to and what he was speaking about. According to Fox News Digital , the cards featured the names and photos of high-profile Democrats, such as former Secretary of State Hillary Clinton and Senate Minority Leader Chuck Schumer .

Five different "palm cards" were discovered during an investigatio

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