The 49-year-old is accused of swindling $25million worth of investors' funds
She vanished the day after ASIC raided her $6.1million home in Dover Heights
Her father-in-law was probed by police preparing a statement for the coroner
Rodo Koletti said Caddick and his son Anthony were 'happily married'
Mr Koletti said his son wouldn't have known about his wife's alleged fraudulence