Illustration by Kristen Radtke / The Verge; Getty Images

Three anonymous sources told the Washington Post that the deal is in danger because Musk has stopped talking about funding. Larry Ellison, the venture capital firm, and the state investment firm of Qatar are among those pitching in a few billion dollars as part of Musk's effort to buy the social network.

The idea that a drastic change of direction on the deal is close to happening is said to be due to concerns about the authenticity of the data used to make the decision. The report comes just hours after the company had a conference call with media outlets to explain that its technology for blocking bots is fine, setting up a clash between the company and its potential new owner.

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A month has passed since Musk's team was given access to a "firehose" of data to back up its claims. Musk's lawyers sent a letter claiming the company was in "clear material breach" of the acquisition deal by not giving him access to the data after he said the deal was on hold.

Over the past few months, they have said that it may not be possible for external sources to verify their count, as it requires access to account data that cannot be shared safely.

The original agreement states that someone owes someone else $1 billion if the agreement is broken. It will take a long time to resolve the legal wrangling over who is at fault and whether or not Musk will be allowed to back out.

Either Twitter or Parent may terminate the Merger Agreement if, among certain other circumstances, (1) the Merger has not been consummated on or before October 24, 2022, which date will be extended for six months if the closing conditions related to applicable antitrust and foreign investment clearances and the absence of any applicable law or order making illegal or prohibiting the Merger have not been satisfied as of such date; or (2) Twitter’s stockholders fail to adopt the Merger Agreement. Twitter may terminate the Merger Agreement in certain additional limited circumstances, including to allow Twitter to enter into a definitive agreement for a competing acquisition proposal that constitutes a Superior Proposal (as defined in the Merger Agreement). Parent may terminate the Merger Agreement in certain additional limited circumstances, including prior to the adoption of the Merger Agreement by Twitter’s stockholders if the Board recommends that Twitter’s stockholders vote against the adoption of the Merger Agreement or in favor of any competing acquisition proposal.

Upon termination of the Merger Agreement under specified limited circumstances, Twitter will be required to pay Parent a termination fee of $1.0 billion. Specifically, this termination fee is payable by Twitter to Parent because (1) Twitter terminates the Merger Agreement to allow Twitter to enter into a definitive agreement for a competing acquisition proposal that constitutes a Superior Proposal; or (2) Parent terminates the Merger Agreement because the Board recommends that Twitter’s stockholders vote against the adoption of the Merger Agreement or in favor of any competing acquisition proposal. This termination fee will also be payable by Twitter to Parent in the event that, generally, (1) a competing acquisition proposal for 50% or more of the stock or consolidated assets of Twitter has been publicly announced and not withdrawn, (2) the Merger Agreement is terminated because Twitter’s stockholders fail to adopt the Merger Agreement or because Twitter materially breaches the Merger Agreement, and (3) within twelve months of such termination of the Merger Agreement, Twitter enters into a definitive agreement providing for a competing acquisition proposal for 50% or more of the stock or consolidated assets of Twitter and such acquisition is subsequently consummated.

Upon termination of the Merger Agreement under other specified limited circumstances, Parent will be required to pay Twitter a termination fee of $1.0 billion. Specifically, this termination fee is payable by Parent to Twitter if the Merger Agreement is terminated by Twitter because (1) the conditions to Parent’s and Acquisition Sub’s obligations to consummate the Merger are satisfied and the Parent fails to consummate the Merger as required pursuant to, and in the circumstances specified in, the Merger Agreement; or (2) Parent or Acquisition Sub’s breaches of its representations, warranties or covenants in a manner that would cause the related closing conditions to not be satisfied. Mr. Musk has provided Twitter with a limited guarantee in favor of Twitter (the “Limited Guarantee”). The Limited Guarantee guarantees, among other things, the payment of the termination fee payable by Parent to Twitter, subject to the conditions set forth in the Limited Guarantee.