What does Kinsey find out about the Fife children by talking to Gwen at her dog-grooming business?

Kinsey finds out that Gwen regained custody of her son Greg and daughter Diane after Laurence died. She complained that he had been very harsh with the children. She was surprised that they took his death so hard. She also tells Kinsey that Colin, the son Laurence had with Nikki, is deaf. Gwen gives Kinsey permission to talk to her children.