"Anonymous tips don't remain anonymous in court."
Evidence can and is withheld from defense using mechanisms like States Secrets.
Evidence can and is withheld from defense using mechanisms like States Secrets.
By allowing anonymous evidence to be introduced, obviously.
"Regulatory "Executive Privilege" to Withhold Evidence," Indiana Law[0]
[0] http://www.repository.law.indiana.edu/cgi/viewcontent.cgi?ar...