In a new court filing last week, Special Counsel John Durham alleged 2016 Democrat presidential candidate Hillary Clinton’s campaign team paid a technology firm to surveil internet servers belonging to then-Republican candidate Donald Trump, in what Durham described as an effort to establish a “narrative” linking Trump to Russia.

The court filing is linked to Durham’s ongoing prosecution of cybersecurity lawyer Michael Sussman, whom Durham charged last fall with making false statements to the FBI. Sussman worked for the law firm Perkins Coie in 2016, which itself worked with the Clinton campaign