It all started with a tweet from New York Times reporter Amy Chozick, quoting Hillary Clinton on the campaign trail Saturday. A "fired up" Clinton implied that democratic opponent Bernie Sanders was absent when she was pushing for health care reform in the 1990s as first lady.

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"I don't know where he was when I was trying to get health care in '93 and '94," a fired up @HillaryClinton says of Sanders. — Amy Chozick (@amychozick) March 12, 2016

As Clinton has discovered recently, the Internet age means instant fact checking. Whether she is talking about Bernie's record or Nancy Reagan's efforts (or lack thereof) to help those with HIV, the Internet fact checkers have their fingers poised over the keyboard ready to correct any claim.

And this time, Bernie Sanders' rapid response director Mike Casca struck gold. Because where was Bernie? He was standing right behind her in December 1993 when she gave a speech about health care reform at Dartmouth College, as seen in this C-SPAN footage.

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An image of the two democratic candidates from 1993 and signed by Clinton also surfaced on Twitter. Clinton's handwritten message to Sanders, in part, reads: "thanks for your commitment to real health care access for all Americans." Ouch.

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Another problem w/ Clinton ?ing where Sanders was in 93 on healthcare: This had written thank you she wrote him. pic.twitter.com/XqRnIoeOym — Dan Merica (@merica) March 12, 2016

While Hillary's communications director tried to reframe her candidate's remarks, the damage was done.

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Clinton "was out in front. Sen Sanders was in the background. She was the one who took the slings & arrows of the hc industry" -@jmpalmieri — Jennifer Epstein (@jeneps) March 12, 2016

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