 Gus's parents, Bill and Winnie Guster, are shown to be overly protective of their son and still regard him as a child who needs looking after.They long disapproved of his friendship with Shawn, whom they regarded as a bad influence.After Shawn and Gus solve a murder for which Bill and Winnie had been wrongfully arrested, they mellow towards Shawn and admit that perhaps they do not need to baby Gus so much.