When Florida investigators find a retired Marine beaten then slain by a shotgun blast in his home, their suspect list grows from his estranged son to a mystery woman he'd just met -- to a possible serial killer. [also shown as S6:E21]
Quest roles:
Billy Merrylees(David Lunz), Donald Johnson(Richard Van Dusen), Leann Freymond(Layla Lunz), Geoffrey Durward(Christopher Lunz), Harry Meddings(William Westerman), Stenne Bell(Sgt. Tim Grundmann), Dan Brennan(Deputy Brett Savage), Cristina Poaletta(Liz Falcone / CSI Tyvek / Sophia), Mary Coughlin(Sophia Magana), Brad Pearson(Raymond Thorton), Joseph Gull(William Deparvine), Donna Lynch(Karla Van Dusen)