The IRS special agent-turned-whistleblower who has been tapped to lead criminal investigations at the tax agency told CBS News in an exclusive television interview he will let evidence, not politics, guide the agency's decisions on tax probes.

"Each and every time, I'm going to ensure the right thing's done and that the policies and procedures are followed," said Gary Shapley , who previously blew the whistle on what he says were efforts by the Department of Justice during the Biden administration to undermine the tax probe into the president's son Hunter. "That's my credo."

It's a position that could put him on a collision course with a White House that has pushed for investigations of the finances of left-wing groups. In September, President Trump wrote on Truth Social that he is "

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