Three terror suspects whose freedom is restricted by control orders have won a legal battle in the House of Lords over the use of secret evidence.

Nine Law Lords unanimously ruled it was unfair individuals should be kept in ignorance of the case against them.

http://news.bbc.co.uk/1/hi/world/8092763.stm

This seems good to me. I appreciate that there might be some circumstances under which secret evidence makes sense (protecting undercover agents, etc), but the potential for abuse of such a system is so incredibly vast that I cannot see any way to fairly allow such a system to exist.