Complex sentence: Pamela Isley, who works for Woodrue, discovers his illegal experiments, and though he offers her the opportunity to join him, she says she will report him and calls him a "psycho".
Split into simpler sentences: Pamela Isley, who works for Woodrue, discovers his illegal experiments. Dr. Woodrue offers her the opportunity to join him but she threatens to report him and calls him a "psycho".