Complex sentence: He alerted the police and Chief Inspector Ronald Donaldson opened the trunk to the dismembered torso of a woman and when other stations were alerted a suitcase opened at King's Cross railway station was found to contain the legs.
Split into simpler sentences: He alerted the police and Chief Inspector Ronald Donaldson opened the trunk to find the dismembered torso of a woman. When other stations were alerted a suitcase at King's Cross railway station was found to contain the legs.