Donald Trump doesn't care if Joe Biden is battling cancer and possibly dementia, as he has still decided to open an investigation into the former president, RadarOnline.com can reveal.

The 78-year-old will be looking into whether Biden was "competent" when he used an autopen to issue pardons to death row inmates and even to family members. Article continues below advertisement

Who Was Truly In Charge?

According to Trump's loyal attorney, Ed Martin, the Justice Department has been directed to investigate the final days of Biden's presidency, mainly focused on the decisions he made, including pardoning his son, Hunter .

Martin revealed the investigation will determine whether Biden, 82, "was competent and whether others were taking advantage of him through use of AutoPen or o

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