Complex sentence: Saeed Hanaei or Said Hanai (died April 8,2002) was an Iranian serial killer who targeted female prostitutes, in the eastern city of Mashhad, who were often drug addicts because he felt that he was helping rid the city of moral corruption.
Split into simpler sentences: Saeed Hanaei or Said Hanai (died April 8,2002) was an Iranian serial killer who targeted female prostitutes, in the eastern city of Mashhad. He often targeted drug addicts, because he felt that he was helping rid the city of moral corruption.