“Plaintiff claims that Defendant intentionally interfered with the contract between him and Third Party. To establish this claim, Plaintiff must prove all of the following: 1. That there was a contract between Plaintiff and Third Party; 2. That Defendant knew of the contract; 3. That Defendant’s conduct prevented performance or made performance more expensive or difficult; 4. That Defendant intended to disrupt the performance of this contract or knew that disruption of performance was certain or substantially certain to occur; 5. That Plaintiff was harmed; and 6. That Defendant’s conduct was a substantial factor in causing Plaintiff’s harm.”
[CACI Jury Instructions [citations omitted]]