Hours after he was declared the presumptive Republican presidential nominee, Donald Trump took to the broadcast network morning shows to defend a conspiracy theory from the National Enquirer, the tabloid with which Trump has a cozy relationship.

Trump took a victory lap early on May 4 after Sen. Ted Cruz suspended his campaign and Trump was declared the presumptive GOP nominee, giving interviews on NBC’s Today and ABC’s Good Morning America. During the interviews, which took place over the phone, hosts asked Trump about a conspiracy theory he pushed from the National Enquirer, which claimed that Cruz’s father was linked to Lee Harvey Oswald three months before Oswald assassinated President John F. Kennedy. Trump had hyped the conspiracy theory on his May 3 phone-in appearance on Fox & Friends. During the May 4 interviews, Trump continued to push the conspiracy theory as “a major story in a major publication,” and he falsely claimed that the Cruz campaign “didn’t deny” the allegations.

Reporters have slammed the conspiracy theory as “inflammatory,” and even conservative radio host Rush Limbaugh called it “kooky” and “absurd.”

CNN’s senior media correspondent, Brian Stelter, pointed out that this is not the first time Trump has repeated “something from a highly questionable source as if it’s fact,” noting that the “Enquirer has a checkered history.” After the tabloid asserted on March 23 that Cruz was “hiding FIVE different mistresses,” Trump defended the publication, saying that while he had “no idea whether or not” the Cruz affair story “is true or not,” the National Enquirer was “right about O.J. Simpson, John Edwards, and many others.”

Trump has a cozy relationship with the National Enquirer. In March, the publication gave the nod to Trump in its first ever presidential endorsement. Trump has also written for the tabloid on multiple occasions. According to New York magazine's Gabriel Sherman, Trump and David Pecker, the publisher of the National Enquirer, “have been friends for years.” In 2013, Trump tweeted that Pecker should become the CEO of Time magazine, writing, “nobody could bring it back like David!”