The father of Becky Watts said last night he wants his daughter's murderer to face the death penalty.Darren Galsworthy said killer Nathan Matthews had evaded justice after brutally murdering his own stepsister – and said he would carry out the execution personally.Matthews murdered Becky after hatching a sexually-motivated plot to kidnap her with his girlfriend Shauna Hoare, 21.Asked on BBC2's Newsnight if he wanted Matthews dead, Mr Galsworthy said: "Of course. Without a doubt,"...
