Complex sentence: Andy Jr., who was about to start work as a police officer in Hackensack, New Jersey was shot and killed while trying to stop a robbery, which sent him into an alcoholic relapse and caused Sylvia to throw him out of the house temporarily.
Split into simpler sentences: Andy Jr., who was about to start work as a police officer in Hackensack, New Jersey was shot and killed while trying to stop a robbery. The shooting sent Andy Sr. into an alcoholic relapse and caused Sylvia to throw him out of the house temporarily.