George Washington University law professor Jonathan Turley said calls for impeachment of President Trump and imprisonment for Hillary Clinton show the United States is entering a "dangerous period."
"We're going into a very dangerous period where we are using criminal laws as an extension of politics," he said.
"There's this cottage industry coming up with crimes you can charge President Trump with," he said.
However, Turley said that at the same time, those accusing Trump of wrongdoing are "retreating to the narrowness of the criminal code" when similar accusations are made against Clinton.
"I don't think you can have it both ways," he said. "I think you have to investigate all of this."
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