Complex sentence: The "international police" want to get him beyond the safety of Macao's three-mile limit where they can nab him, and a New York police detective goes undercover in an attempt to force his hand.
Split into simpler sentences: The "international police" want to get him beyond the safety of Macao's three-mile limit, where they can arrest him. A New York police detective goes undercover in an attempt to force his hand.