Complex sentence: The car crash actually happened, and that it was ordered by one Bart's enemies so when he was in the hospital, he paid the doctor to say he died and then recruited Diana Payne to help him hide.
Split into simpler sentences: The car crash actually happened, and that it was ordered by one Bart's enemies. When he was in the hospital, he paid the doctor to say he died and then recruited Diana Payne to help him hide.