A 25-year-old single mother's ambition to become a millionnaire has emerged as the key provocation behind the sensational triple murder that rocked Surat on Saturday. Komal Goyani, a divorcee and mother of a four-year-old boy, has revealed during interrogation that she had instigated her brother Gautam alias Golden and father Ganesh to pressurize Balu Hirani, one of the deceased, to recover Rs 50 lakh.