Complex sentence: Soon afterward, due to a series of misunderstandings and coincidences, the Liars suspect Lucas may be A's helper; it is later revealed that Lucas had gambled away thousands of dollars of Caleb's savings.
Split into simpler sentences: Soon afterward, due to a series of misunderstandings and coincidences, the Liars suspect Lucas may be "A" 's helper. It is later revealed that Lucas had gambled away thousands of dollars of Caleb's savings.