Zak Bolland originally handed a life sentence and told he must serve a minimum 40 years behind bars.
David Worrall, was also told he must serve at least 37 years behind bars.
They will both be sentenced for the new offence on 21 April.
Zak Bolland originally handed a life sentence and told he must serve a minimum...
SIGN UP NOW FOR YOUR FREE DAILY BREAKING NEWS AND PICTURES NEWSLETTER
Your information will be used in accordance with our Privacy Policy