In the Psych episode (Season 2, Episode 10), Christmas dinner takes a dark turn when Gus's parents, Bill and Winnie Guster, are arrested for the murder of their cantankerous neighbor, Old Man Fuller. Case Brief
: Shawn eventually discovers that the real killers were another pair of neighbors, Carl and Gladys , who were also being blackmailed by Fuller. Notable Character Moments [S2E10] Gus' Dad May Have Killed An Old Guy!
: This episode features the first seasonal variation of the Psych theme song, "I Know, You Know". In the Psych episode (Season 2, Episode 10),
: Fuller was a neighborhood voyeur who had spent years blackmailing his neighbors with secrets he discovered while spying. : Fuller was a neighborhood voyeur who had
The primary conflict arises when Fuller is found dead in his home, hanging from a banister. Initial evidence points directly to Bill Guster due to a long-standing feud and the discovery of murder weapons belonging to the Gusters. As Shawn and Gus investigate to clear Bill's name, they inadvertently implicate Winnie Guster by revealing that Fuller was blackmailing her over insurance fraud.
: Juliet invites Detective Lassiter to her family's Christmas party, but he quickly wears out his welcome by being overly competitive with her nephews.
: This episode marks the first appearance of Gus’s parents, played by Ernie Hudson (Bill) and Phylicia Rashad (Winnie).