what event led to establishing the department of homeland security answers.com
United States Department of Homeland Security The United States Department of Homeland Security (DHS) is a cabinet department of the United States federal government with responsibilities in public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.[3] It was created in response to the September 11 attacks and is the youngest U.S. cabinet department.
United States Secret Service Protection of the nation's highest elected leaders and other government officials remains the other key mission of the United States Secret Service. After the 1901 assassination of President William McKinley, Congress also directed the Secret Service to protect the President of the United States.