(THE HILL) — Sen. Rob Portman (R-Ohio) on Sunday said he believed a special counsel to investigate the IRS targeting scandal would ultimately be “necessary.”

Speaking on ABC’s “This Week,” Portman welcomed an inspector general’s report and the launch of congressional hearings, but said there were still many unanswered questions.

“I also think that special counsel is going to end up being necessary here, because it has to be independent of the White House,” said Portman of the ongoing investigation.

“What we do know is that politics was put ahead of the public interest. And it was done in two of the most sensitive areas of our government. One, of course, the tax collection agency, which has this enormous power over all of us. And second, our national security,” said Portman referring to the Justice Department’s seizure of journalists’ phone records in a leak probe.

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