Complex sentence: Karen soon learns that Edens is a manic depressive who is unwilling to commit himself to a mental health institution, and decides to hire two men (Robert Prescott, Terry Serpico) to follow him, including tapping his phone and installing bugs in his apartment.
Split into simpler sentences: Karen soon learns that Edens is bipolar and unwilling to commit himself to a mental health institution. He decides to hire two men (Robert Prescott, Terry Serpico) to follow him, including tapping his phone and installing bugs in his apartment.