Brown Recluse Spider Bite â Stages, Symptoms, Treatment, Pictures The mouth parts on most spiders are not strong enough to bite into the human skin and hence a large percentage of the spider population across the United States is actually harmless.
Answer: The protection of U.S. sovereignty, territory, domestic population, and critical defense infrastructure against external threats and aggression, or other threats as directed by the President. The Department of Defense is responsible for homeland defense.
The man running the Department of Homeland Security, Jeh Johnson, has a lot on his shoulders, protecting the country from another terrorist attack -- especially now with the rise of homegrown terrorism.esley Stahl: Out of this came the Department of Homeland Security. Jeh Johnson: Out of what happened right here came the Department of Homeland Security. It's a department that brought under one roof an array of 22 federal agencies, including FEMA, the Secret Service, the Coast Guard.