Tonight, Box 13, with Alan Ladd as mystery writer Dan Holiday, who advertised in the classifieds of the "Star-Times," "Adventure wanted, will go anywhere, do anything, Box 13." This one is called, "Killer at Large" (19 June 1949). Synopsis: haven't listened to it yet.
Update: Remember Stephen Leacock? "Synopsis of Previous Chapters: There are no Previous Chapters."