 She found that the boys suffered extensive bruises, and that their grandfather, William "Banjo" Kahui, had performed cardiopulmonary resuscitation on them.Police said Banjo was not the only person in the house at the time.According to former MP John Tamihere, members of the Kahui extended family had said "a young relative" whom they refused to name, was caring for the babies the day they were fatally injured.