Who is Densdell in the book, J: A Novel?

Densdell Kroplik is a barber and historian in Port Reuben. He is acquainted with Kevern and befriends Gutkind over their mutual consideration that there is more to WHAT HAPPENED than meets the eye. Densdell brutally murders Gutkind after Gutkind reveals his theory. It is plausible that Densdell is a government agent tasked with keeping the truth under wraps, and it is possible that Densdell is also the murderer in Port Reuben. However, the truth behind Densdell’s killings is never revealed.