![FILE PHOTO: Manafort arrives for arraignment on charges of witness tampering, at U.S. District Court in Washington](https://utterbuzz.com/wp-content/uploads/2019/05/32d816d38c10507d41d742d70030ea14.jpeg)
Special Counsel Robert Mueller’s office has informed a federal court that Paul Manafort violated his plea agreement by repeatedly lying to investigators. Prosecutors thus consider the agreement null and void and have asked the court to set a sentencing date immediately.