Complex sentence: Erich Kriegler is a biathlete and an East German KGB thug who is hired by Aristotle Kristatos to kill Bond and deliver the ATAC submarine tracking device from the sunken British ship to the Russians.
Split into simpler sentences: Erich Kriegler is a biathlete and an East German who works for the KGB. He is a thug who is hired by Aristotle Kristatos to kill Bond and deliver the ATAC submarine tracking device from the sunken British ship to the Russians.