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.
Youâre all set! The Senate confirmed John F. Kelly as secretary of homeland security on Friday, putting the blunt-spoken retired Marine general in charge of securing the nationâs borders, including construction of the controversial southwest border wall that was a centerpiece of President Trumpâs campaign.