Complex sentence: He lost his wife and his child in a helicopter crash shortly after Manhattan was quarantined and has spent the last three years in his home in New York City, scavenging for supplies and hunting for wildlife in the city.
Split into simpler sentences: He lost his wife and his child in a helicopter crash shortly after Manhattan was quarantined. He spent the last three years in his home in New York City, scavenging for supplies and hunting for wildlife in the city.