How Powerful is Supreme court and relationship between branches

How Powerful is Supreme Court 

• Independence of court is guarenteed, ruling against gov on Miller v Brexit Secretary 2016 
• However can often be influenced by executive if it wishes, Lord Chancellor confirms all appointments, part of executive 
• It can effectively hold up human rights, Human Rights act 1998 
• However can simply be overruled by Parliament, Gordon Brown in 2010 overturning supreme courts decision on anti terror law
• Can force governments hand, in Evans v Attorney general prince charles letters had to be published (2015)
• However can still be violatedn, under freedom of info act in 2001 all security files kept confidential
• Judges can also interporate law effectively, R v Metro police dna kept on innocent…