Twitter is reportedlyseeking informationfrom Musk’s friends in Silicon Valley about the deal.

Musk’s legal team has argued the data is important to understand Twitter’s ads business.

On July 8, Musk announced that he was terminating the merger agreement reached in April.

In a related development, Muskfiled a countersuit.

The countersuit was expected.

CNET has also seen the letter.

Greenlight Capital added it thinks the Delaware Chancery Court has an incentive to enforce the deal.

CNET’s Sean Keane and David Lumb contributed to this report.