jahche broughton , 15 , was sentenced to lives imprisonment and had to have at least 12 - and - a - sixteenth years behind doors for the murders on august 17 first day . miss thornton , 26 , from orkney , was killed as she made her return home from a night out with neighbors in the north island resort of timaru . she had fatal forehead injury and thereafter died in coma . a magistrate at the high school in gisborne told me that the sentence took into account his age and confession plea . the teenager was 14 when he carried out the murdering and is believed to be two of the shortest convicted criminals in new zealand to be given a life sentence .
Jahche Broughton is the murderer of Miss Aim.