"Spoilation" is the idea that if you destroy evidence, the court assumes the evidence is unfavorable to you. If the government invokes national security in a c

"Spoilation" is the idea that if you destroy evidence, the court assumes the evidence is unfavorable to you. If the government invokes national security in a case to prevent the court from seeing evidence, it should be treated as destroying evidence and the court should assume the worst about the evidence that they aren't allowed to see.