"This hasn't been confirmed yet, but we have learned from a retired waitress from The Frosts that thirteen years ago, Ms. Parker was indeed staying at The Frosts' house for a while."
Peter Aria seemed to recall something and abruptly asked, "Sergeant Linggo, is the servant you're referring to Gabriella Linggo?"
Madon Linggo wasn't surprised by Peter's question. During his investigation, he had discovered that recent inquiries had been made secretly about the same incidents, and he had suspected that Peter was behind these inquiries.
But only now, when Virginia Frost was in trouble, did he have the courage to bring it out into the open.