Complex sentence: During her time in prison, Dudko wrote some 4,500 love letters to Killick before ending all communications and as such their relationship when she rediscovered her faith in the Bible, something Killick did not believe in.
Split into simpler sentences: During her time in prison, Dudko wrote some 4,500 love letters to Killick. She ended all communications and as such their relationship when she rediscovered her faith in the Bible, something Killick did not believe in.