Complex sentence: Howard has not returned home in five days and has been walking through a ghetto neighborhood, he hears screams and rushes to confront a man with a gun who is committing a crime in a tenement building.
Split into simpler sentences: Howard has not returned home in five days and has been walking through a ghetto neighborhood. He hears screams and rushes to confront a man with a gun who is committing a crime in a tenement building.