Project Veritas founder and CEO James O’Keefe’s Twitter account was suspended Thursday for violations of “manipulation and spam,” the social media platform said.

O’Keefe’s permanent suspension comes one day after he released secretly-recorded clips of a CNN staffer admitting to pushing an anti-Trump narrative on the network and using “propaganda” to get Trump out of office during the 2020 election.

O’Keefe said he plans to sue Twitter for defamation.

“I am suing Twitter for defamation because they said I, James O’Keefe, ‘operated fake accounts,'” O’Keefe said in a statement on his website. “This is false, this is defamatory, and they will pay. Section 230 may have protected them before, but it will not protect them from me. The complaint will be filed Monday.”

The Project Veritas Twitter account was permanently suspended in February for repeat violations of the site’s policies against publishing private information.

“After the latest round of hidden camera videos embarrassing to CNN were released, @JamesOKeefeIII has been permanently banned from Twitter. The @Project_Veritas account was also recently banned. This is how big tech works with liberal corporate media to take down challengers,” journalist Andy Ngo tweeted.

“In case you haven’t figured out how it works by now… @CNN spreads propaganda to elect Democrats and then @Twitter runs interface to protect CNN. They’re all on the same team,” Donald Trump Jr. wrote on Twitter.

O’Keefe announced Wednesday that he is also planning to sue CNN for defamation.

“I think a lot of people need to start suing the media for defamation,” O’Keefe said. “It’s disgraceful what they’re doing, it’s disgusting.”

Follow Annaliese Levy on Twitter @AnnalieseLevy