In other words, they were using Franklin's life to exchange for Marlin's.
The grief-stricken Zelda knew about this news and, as if he had been bewitched, agreed to this man's request.
The man wanted to take away Marlin's birth date and chart and some of the clothes he wore when he was alive. He chose a full moon day and performed a ritual in front of his grave.
Later, Zelda listened to his arrangements and entered the Torres family to work. The man then went into hiding for three years.
"I simply always listened to his instructions. I don't know what's going on with him."
[ System Divine Nine: Very normal. After all, Zelda can't see ghosts. Her daily mission is probably just to switch the Horcrux on and off. Release the ghost at the right time and then take it back. ]
"Did you hide a small box in the Torres family? Every morning, this person would ask you to open the box. Where is this strange man now?"
