Complex sentence: Hammond is revealed to be smuggling cocaine in a briefcase and Marks ends up killing him in a lavatory following an altercation; this occurs exactly at the 20 minute mark, resulting in the first death.
Split into simpler sentences: Hammond is revealed to be smuggling cocaine in a briefcase, and Marks ends up killing him in a lavatory, following an altercation. This occurs exactly at the 20 minute mark, resulting in the first death.