"I don't think we know the full story yet," Schofield told CNN's "Anderson Cooper 360" on Friday.
"The facts are she left, she turned her back on her family. She started a new life down in Florida ... Whether she lived homeless or whether she lived a wonderful life as a live-in housekeeper, I don't think that was for the 11 years, that was just for the last few years here."
Schofield said Heist is still looking at charges for false IDs, thefts and possession of drugs and drugs paraphernalia in Florida. There also may be false ID and theft charges to face in Pennsylvania, he said.
She never suspected Heist of using drugs, Forrester said -- or she would not have allowed her near her family.