The use of secret evidence in court dates back to the creation of a special tribunal in 1997 to handle appeals by people who were being deported for national-security reasons.

• 在法庭上使用秘密证据可以追溯到1997年，为处理那些因国家安全的原因被驱逐的人们上诉事宜而创立的特殊法庭。