Complex sentence: In "Saw VI", it is revealed that Amanda, desperate for drugs, sent Cecil into Jills clinic to steal drugs and is ultimately responsible for the miscarriage of Gideon in "Saw IV".
Split into simpler sentences: In "Saw VI", it is revealed that Amanda, desperate for drugs, sent Cecil into Jill's clinic to steal them for her. She thus set in motion the events that led to the miscarriage of Gideon in "Saw IV".