disappearance of Agent Chester Desmond (Chris Isaak), who went missing while tasked with solving the murder of Teresa Banks (Pamela Gidley), but finds only the words "Let's Rock" written on the windshield of Desmond's car. Later, Cooper confides in Agent Albert Rosenfield (Miguel Ferrer) that he suspects Teresa's murderer will strike again, correctly describing Laura as the killer's next victim, but Rosenfield dismisses Cooper's prediction. At the film's conclusion, Cooper appears in the Red Room beside Laura's spirit, smiling and comforting her. In literature During the second season of Twin Peaks, Simon & Schuster's Pocket Books division released several official tie-in publications, each written either by its creators or members of their family, which offer a wealth of character back-stories; Cooper's, in two such publications, is one of the best-developed of these back-stories. Many of the details of Cooper's history as previously cited are drawn from a book that writer Mark Frost's brother Scott Frost wrote as a companion to the series, titled The Autobiography of F.B.I. Special Agent Dale Cooper: My Life, My Tapes. The book is catalogued as . Early in the second season of Twin Peaks, Simon & Schuster Audio released Diane ... The Twin Peaks Tapes of Agent Cooper, a cassette-only release that Kyle MacLachlan also performed. The tape consists of newly recorded messages from Cooper to his (then) never-seen assistant, Diane, mixed in with monologues from the original broadcasts. The tape begins with a prologue monologue in which Cooper discusses his pending trip to Twin Peaks, continues with the initial monologue heard in the pilot, and continues to a point after his recovery from being shot. For his work on this release, MacLachlan was nominated for a Grammy Award for best spoken-word performance. In popular culture When Kyle MacLachlan guest hosted Saturday Night Live in 1990 at the height of Twin Peaks popularity, the episode contained many references to the series throughout. Also featured was a sketch parodying the show and in particular Dale Cooper. Cooper is portrayed in the sketch as being extremely attentive to detail in his messages to Diane, including informing her of how many hairs he found in his shower the night before. Sheriff Harry S. Truman (Kevin Nealon) then visits Cooper, telling him that Leo Johnson (Chris Farley) has confessed to the murder of Laura Palmer and that he can go home. Cooper raises concerns that the investigations may not