Calls to abolish Scotland's corroboration rule
16 April 2013 Last updated at 10:21 BST
Corroboration - the idea that all key evidence presented in a criminal prosecution has to be backed by two sources - has been at the heart of Scotland's legal system for centuries.
The Scottish government now wants to abolish corroboration, but some fear the move could lead to miscarriages of justice.
James Cooke reports.