law firm after being accused of misappropriating funds, which his lawyers say were used to fuel a drug addiction. >> are they breathing? >> no, ma'am. >> reporter: worsened by the june 7 murders of his wife and son at the family's estate. the murders are still unsolved. >> he has had a tremendous opioid addiction. the death of his wife and son have put him over the dej in term -- the edge in terms oh of that addiction. >> reporter: investigators are also opening two other investigations linked to information uncovered in the family murders. one regarding the mysterious 2015 unsolved death of a seen whose body was found on a hampton county road. and a new criminal investigation into the 2018 death of the family housekeeper. in part, it's due to "information gathered during the course of our other ongoing investigations involving alex