Complex sentence: Sutcliffe was a regular user of prostitutes in Leeds and Bradford, and his obsession with killing streetwalkers seems to have originated with an argument over payment but he claimed he was being guided by the voice of God.
Split into simpler sentences: Sutcliffe was a regular user of prostitutes in Leeds and Bradford. His obsession with killing streetwalkers seems to have originated with an argument over payment, but he claimed he was being guided by the voice of God.