At the risk of opening another can of worms, I think the problem with any Capital Punishment in Brittan, is that we are governed by European Law on that one, so to reinstate we would have to depart the European Union, which would suit me personally if we could re-open the trade with the Common Wealth Countries we scattered in the 70's Doubtful though
You're right - lots of the rights come from EU. For example, European rights of the child. We can exit the EU and review our own laws or act like the French and only implement the EU laws knthe way we like as the French do. They give the big finger up frequently to EU statute and nothing happens