Complex sentence: Soon after, Star Fox is sent to investigate; the investigation ends when Pigma Dengar defects to Andross's side, and sends his friends to Andross, resulting in the death of James McCloud.
Split into simpler sentences: Soon after, Star Fox is sent to investigate. The investigation ends when Pigma Dengar defects to Andross's side and sends his friends to Andross, resulting in the death of James McCloud.