Addendum: "Hubble Space Telescope evidence for an intermediate-mass black hole in the globular cluster M15 - II. ... 1997, D97) that shows the radial M/L profile in Fokker-Planck models of M15. We discuss how this modifies the interpretation of our kinematical data. These imply the existence of a dark and compact mass component near the center of M15, either a single black hole (BH) or a collection of dark remnants that have sunk to the cluster center due to mass segregation. ...