Complex sentence: To collect proof, Lynn tries to convince fellow inmates to support her, but nobody is willing to cooperate because they are either afraid of Crang or Angie, who forces the girls to remain silent.
Split into simpler sentences: To collect proof, Lynn tries to convince fellow inmates to support her, but nobody is willing to co-operate. This is because they are either afraid of Crang or Angie, who forces the girls to remain silent.