Jack Dorsey, the head of Block Inc. and co-founder of Twitter, posted two videos last week featuring presidential candidate Robert F. Kennedy Jr., who has drawn criticism for his record of sharing unsubstantiated conspiracy theories about vaccines. Kennedy has also discussed conspiracy theories about the assassination of then-President John F. Kennedy and about his father.

A post linked to a podcast interview of 2020 of Kennedy discussing numerous conspiracy theories with former heavyweight boxing champion Mike Tyson.

In a post on the Primal social network, which uses technology he helped fund, on Tuesday, Dorsey shared a 2020 interview with Kennedy, in which he promoted the conspiracy theory that the CIA killed both his father, Robert F. Kennedy, as to JFK and betrothed unsubstantiated conspiracy theories about vaccinesincluding that the possible side effects of the vaccine are part of a profit plan for the pharmaceutical industry.

The posts do not explicitly endorse Kennedy.

The posts come as social media appears poised to play a major role in the 2024 election cycle. On Tuesday, NBC News reported that Florida Gov. Ron DeSantis would announce his presidential primary candidacy on Twitter at an event audio with CEO Elon. Musk, who has openly supported conservatives on the platform.

Shortly before the post sharing the interview, Dorsey shared a link to a speech from JFK. the later aware on Primal and Twitter, «Split the CIA, NSA and FBI into a thousand pieces and scatter them to the winds,» along with a picture of the assassinated president.

Dorsey did not respond to email and direct message requests for comment.

In April, Kennedy announced his 2024 presidential bid as the Democratic nominee. April polls Emerson and foxnews he found Kennedy’s support at 19% and 21% in the Democratic primary, trailing well behind President Joe Biden but gaining a significant base of support. However, prominent members of his own family do not support his candidacy.

Dorsey’s endorsement would give Kennedy’s campaign another notable name. Dorsey has endorsed other unconventional Democratic candidates in the past, donating $5,600 to Tulsi Gabbard and $66,000 to Andrew Yang in 2019, according to campaign finance website Open Secrets.

Kennedy has found a warm reception among some far-right luminaries, including Steve Bannon, who briefly served as a top adviser to former President Donald Trump and now hosts a prominent right-wing talk show, and Infowars host Alex Jones.

This week, ahead of Dorsey’s posts, Kennedy appeared as a keynote speaker at the Bitcoin 2023 conference in Miami. Dorsey has been a strong supporter of blockchain and cryptocurrency technologies, and numerous product announcements and appearances at the conference were made by companies or companies he has endorsed for him. dorsey too shared numerous posts promoting the conference over the past week, including a video of Kennedy’s speech.

In 2019, Dorsey recorded a podcast with a media personality known for making anti-vaccine statements.