Complex sentence: This is, however, a fictionalised ending to the case; in real life, Teddy Wang was never found and remains a missing person to this day, many believe that he was thrown off the boat as the police converged upon it.
Split into simpler sentences: This is, however, a fictionalised ending to the case. However, in reality, Teddy Wang was never found and remains a missing person to this day, many believe that he was thrown off the boat as the police converged upon it.