Newly unearthed reports contradict previous claims made by Minnesota Gov. Tim Walz about his travel to China, including a claim that the Democratic vice presidential nominee was in Hong Kong for a teaching position in 1989 during the Tiananmen Square pro-democracy protests that ended in hundreds of protesters killed by the Chinese government.

At the vice-presidential debate, Gov. Tim Walz tried to dismiss a previous misstatement as insignificant and said he could be “a knucklehead at times.”