First prevent the Spaniards from finding evidence, then say to the US plaintiffs:
„You have no evidence.“
The Justice Department moves to dismiss suit against Pompeo and CIA & for allegedly instigating surveillance of visitors to Wikileaks founder Julian Assange through spanish security company UC Global at Ecuadorian Embassy in London.
https://storage.courtlistener.com/recap/gov.uscourts.nysd.584750/gov.uscourts.nysd.584750.35.0.pdf