 On today's episode of America's Least Wanted, the home invaders most likely to threaten your family are not human. Cockroaches can spread salmonella and trigger asthma attacks. Termites destroy billions of dollars in property each year. And stinging insects send half a million people to emergency rooms. Learn how to protect your family. Arm yourself with the facts at pestworld.org. A public service announcement from the National Pest Management Association.