In "Supernatural" Season 2, Episode 19, "Folsom Prison Blues," Sam and Dean Winchester infiltrate the Green River County Detention Center to investigate vengeful spirit hauntings, all while evading FBI Agent Victor Henriksen. The brothers successfully salt and burn the ghost of a former guard, Cyrus Glockner, while highlighting their tactical skills in navigating a maximum-security environment and escalating the conflict with federal law enforcement. For a detailed guide to the episode, visit Folsom Prison Blues on the Supernatural Wiki.