Recently, an auction of Michael Jackson signed memorabilia generated around $5 million. There were many buyers, which included Lady Gaga - who Tweeted that she bought 55 of the items in the sale. Afterwards, questions were raised about the authenticity of the autographs by a variety of industry figures.

The NBC Investigative Team looked into the controversy and even connected with PSA/DNA to provide some additional analysis.

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Click here for the article and video report.