Nicholas Prosper, 19, from Luton, who wanted to become a notorious mass murderer, was sentenced at Luton Crown Court.He was jailed for life for three murders with a minimum term of 49 years - a total of 48 years and 177 days when the amount of time he has already been in custody is taken into account.

Nicholas Prosper, 19, from Luton, who wanted to become a notorious mass murderer, was sentenced at Luton Crown Court.He was jailed for life for three murders with a minimum term of 49 years - a total of 48 years and 177 days when the amount of time he has already been in custody is taken into account.