Trump, speaking in SC during the campaign, told a story of Gen. John Pershing who, he said, shot 49 Muslim prisoners dead with bullets dipped in pigs' blood then ordered the one remaining prisoner to tell others what had happened.
But Trump has been quick to cite "radical Islamic terrorism" for attacks in the past.
But the tale is a familiar one to supporters who attended his rallies past year when he would tell the story of how Gen Pershing (who went on to great acclaim during the First World War) halted attacks by Muslim soldiers in the Philippines by shooting rebels with blood dipped in pig blood.
Trump first told his version of Pershing's life at a rally in February 2016 in SC, saying to the crowd, "it's a awful story, but I'll tell you". "And the fiftieth person he said 'You go back to your people and you tell them what happened.' And for 25 years there wasn't a problem, okay?" The survivor was told to go back and tell his people what happened. Authorities there have labeled the incident a terrorist attack and taken a suspect into custody.
"They had a terrorism problem and there's a whole thing with swine and pigs and you know the story they don't like them and General Pershing was a rough guy and he sits on his horse and he's very astute, like a ramrod".More news: Venezuela's New, Powerful Assembly Takes Over Legislature's Duties
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But Barney McCoy, an associate professor of journalism at the University of Nebraska Lincoln who is working on a documentary about Pershing, said the facts don't support Trump's story.
In 2016, Trump claimed such mass executions ended the Islamic insurgency for a quarter-century.
In his memoir, My Life Before the World War, 1860-1917, Gen. Pershing did tell a story about Muslims and pigs. However, they note the general did write in a memoir that he saw other commanding officers publicly burying Muslim insurgents in the same grave as a dead pig.
"And for 25 years, there wasn't a problem. OK?"
"This story is a fabrication and has always been discredited", Brian McAllister Linn, a Texas A&M University historian and author of the book "Guardians of Empire: The U.S. Army and the Pacific, 1902-1940" told PolitiFact.
(The degree to which the group communicated with attackers beforehand, if at all, remains to be seen.) It was the deadliest such incident in Spain since the 2004 Madrid train bombings that killed almost 200 people, and world leaders responded with a wave of solidarity and sympathy.