Complex sentence: In the apartment the real Consuela has been murdered with the same two thugs at the airport and dockyard attempting to open the safe with an Acetylene torch that they use as a flamethrower to kill de la Bath but he kills them with it.
Split into simpler sentences: In the apartment the real Consuela has been murdered by the same two thugs at the airport and dockyard who are attempting to open the safe with an Acetylene torch. They use as a flamethrower to kill de la Bath but he kills them with it.