Conservative author and conspiracy theorist Jerome Corsi on Sunday filed a lawsuit against special counsel Robert Mueller, alleging that Mueller illegally surveilled him as part of the investigation.

Corsi, in the document filed in the District Court for the District of Columbia, also claims that Mueller’s office leaked confidential information surrounding Corsi’s testimony before the special counsel’s grand jury.

“Defendant Mueller and his prosecutorial and media staff, acting in their official capacity and personally, also illegally released grand jury information to harm Plaintiff Corsi by attempting to destroy his reputation and personal and professional well-being and livelihood, thus also attempting to drive him into bankruptcy,” the document reads in part.

Corsi is requesting an injunction in his case, as well as $350 million in damages.

Read more at The Hill.