Complex sentence: After his discharge from the Army, Shawcross moved with his wife (who would soon divorce him) from Oklahoma to Clayton, New York, where he began committing crimes such as arson and burglary.
Split into simpler sentences: After his discharge from the Army, Shawcross moved with his wife from Oklahoma to Clayton, New York. His wife would soon divorce him, and he began committing crimes such as arson and burglary.