Walsh, Elaine. "A Picture Of Mystery". irishletter.com. For Fr. Barber's own first-person account of the events that led up to the rediscovery, see his essay, "The Murder Behind the Discovery," in Franco Mormando, ed. , Saints and Sinners: Caravaggio and the Baroque Image, exhibition catalogue (Chestnut Hill, MA: McMullen Museum of Boston College, 1999), pp. 11-13.