Complex sentence: He later spies a Parallax man heading to a car and driving away and follows him to a parking lot and watches him take out a bag from another car's trunk then drive to an airport and check it in as baggage.
Split into simpler sentences: He later spies a Parallax man heading to a car and driving away. He follows him to a parking lot and watches him take out a bag from another car's trunk then drive to an airport and check it in as baggage.