Donald Trump Retweeted a Photo of a Convicted Killer ... AGAIN

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As if the Donald Trump circus couldn't get anymore dizzying, the presidential hopeful faced more Internet mockery Tuesday after he was fooled for a second time into sharing a photo on Twitter of a convicted murderer, whom Trump apparently mistook for a Vietnam war veteran.

The original tweet came from a social media user who said he was the son of a Vietnam war veteran and that his father was a supporter of Trump. "My bad ass [sic] Vietnam vet dad has balls too which is why he's voting Trump," the caption accompanying the tweet read. A black and white photo posted along with the tweet showed a man dressed in uniform.

Twitter users were quick to point out that the image actually depicted Jeffrey MacDonald, a former service member of the U.S. Army currently serving three life sentences for murdering his pregnant wife and two daughters 36 years ago, according to the Guardian.

The Twitter faux pas came three days after Trump tried to discredit Sen. John McCain's time in Vietnam, saying the Arizona Republican was "not a war hero." McCain spent five years as a prisoner of war in Vietnam after his plane was shot down, the New York Times reported.

Trump's recent vitriol has become part and parcel of his campaign. Among the White House contender's most inflammatory attacks were his shots at undocumented immigrants, calling them "rapists" and "criminals." When faced with criticism for what many considered racist and incendiary remarks, Trump doubled down, referring to immigrants as harbingers of "tremendous infectious disease."

Trump's latest Twitter mistake wasn't the first time the real estate tycoon has unwittingly shared a photo of a convicted murderer. In September, Trump retweeted an image with the caption, "My parents who passed away always said you were a big inspiration. Can you please RT for their memory?"

The photo was not of someone's loving parents, but in fact depicted infamous British serial killers Fred and Rose West.