Chapter 11: "Double Murder". Not. There was no double murder or any murder. As the ongoing chapter shows it was self defense.
Chapter 3: "The Fatal Sacrifice" Fatal sacrifice is an oxymoron as any sacrifice is fatal.
When the Crimson Ghost is firing at a pursuing car, he fires more than six shots from a revolver.
An important plot point is Duncan's trailing the crooks to their underground hideout using a concealed TV camera in a getaway car. But Duncan has already been to the hideout in a previous chapter when the kidnapped inventor is accidentally killed while saving Duncan from a death ray. This renders the rigged escape and trailing bit meaningless.