Complex sentence: On the fourth floor of the garage, Nichols hijacked a 2004 Mercury Sable owned by Almeta Kilgo, an Atlanta Journal-Constitution software developer, pointing the gun at her as he demanded she move to the passenger seat.
Split into simpler sentences: On the fourth floor of the garage, Nichols hijacked a 2004 Mercury Sable owned by Almeta Kilgo, an Atlanta Journal-Constitution software developer. Pointing the gun at her, he demanded she move to the passenger seat.