Complex sentence: Hours later, as Tuco awaits his execution, Blondie surprises the authorities and frees Tuco by shooting the execution rope; the two later meet to split the reward money, revealing their lucrative money-making scheme.
Split into simpler sentences: Hours later, as Tuco is about to be hanged, Blondie surprises the authorities and frees Tuco by shooting the rope. The two escape and split the reward money, beginning a partnership in a lucrative money-making scheme.