Post-9/11

Department of Homeland Security

Company type	Cabinet department of the United States federal government
Industry	Government administration, national security
Founded	November 25, 2002 (2002-11-25)
Headquarters	Washington, D.C. , United States
Number of employees	184,000
Parent	United States federal government

The era following the September 11 attacks is characterized by increased distrust toward non-citizens within the United States, amplified governmental counterterrorism initiatives, and a more proactive stance in U.S. foreign affairs. Some experts contend that this period replaced the Cold War as the principal global security paradigm, fundamentally altering America's international approach.

Political consequences

We must always remember the most impactful moments in recent history. On September 11, 2001, America confronted its own vulnerability—even from threats originating across the globe. At that moment, and continuing today, we are determined to face any danger, regardless of origin, that could inflict sudden terror and hardship upon our nation. – George W. Bush, 2002.

The attacks precipitated significant transformations in U.S. domestic politics and foreign relations. Within the country, there was widespread bipartisan agreement supporting strengthened anti-terrorism laws, primarily financed by Western governments. By 2011, authorities had recorded 119,044 arrests related to terrorism and secured 35,117 convictions in 66 nations—figures substantially exceeding those before 9/11.

The conflict in Afghanistan, initially regarded as a "just war", gradually lost favor among the American public. By 2011, opposition exceeded 60%. The hostilities concluded with the Taliban's takeover in 2021 following the exit of U.S. and allied military forces. The latter stages of the war and its aftermath were widely perceived negatively.

Department of Homeland Security

In response to the attacks, the U.S. government created the Department of Homeland Security (DHS), a cabinet-level entity responsible for safeguarding national territory against terrorist threats and managing responses to natural disasters.

Employing approximately 184,000 personnel, DHS is the third-largest cabinet department after the Department of Defense and the Department of Veterans Affairs. The Homeland Security Council within the White House oversees policy coordination. Additional significant contributors include the Departments of Health and Human Services, Justice, and Energy.

Suspicion

Following 9/11, actions once regarded as harmless or unconventional—particularly among those perceived to be "Arab"—have increasingly been viewed with suspicion across the United States. A notable example is the 2006 incident where six Muslim imams were removed from a domestic flight. Federal agencies promote awareness and encourage reporting any suspicious conduct; DHS advises citizens to remain vigilant and promptly inform law enforcement.

Discriminatory backlash

Since the events of 9/11, individuals identified as Arab, Muslim, Sikh, South Asian Americans, or those perceived to belong to these groups have been subjected to threats, destruction of property, arson, and physical assaults. Anti-Muslim prejudice has infiltrated various spheres including political discourse, policymaking, and media representation.

Following 9/11, a coalition composed of think tanks, self-styled experts, bloggers, and activists began promoting anti-Islam rhetoric—often referred to as the “Counter-Jihad” movement—aligned with governmental initiatives such as the domestic surveillance programs and the international “War on Terror” campaigns. This movement notably gained traction around 2010 during opposition to New York City's proposed Park51 Islamic community center.

The Park51 debate emerged as a pivotal moment in national Islamophobic sentiment in 2010. Spearheaded by anti-Muslim commentators Robert Spencer and Pamela Geller—founders of Stop the Islamization of America—the opposition depicted the center as a “triumphal monument” erected on “conquered land.” Prominent political figures including Sarah Palin and Newt Gingrich echoed these perspectives.

In 2010, Geller and Spencer orchestrated protests and launched related media efforts, such as the 2011 documentary titled “The Ground Zero Mosque: Second Wave of the 9/11 Attacks.” Comparable campaigns also appeared in Murfreesboro, Tennessee.

Since 9/11, Islamophobic organizations have expanded considerably. The Southern Poverty Law Center (SPLC) documented a 197% surge in anti-Muslim hate groups between 2015 and 2016—from 34 to 101—with these numbers remaining elevated through 2020. These groups have increasingly influenced both political arenas and media outlets.

Media platforms like Fox News have hosted Islamophobic personalities such as Brigitte Gabriel, Robert Spencer, and Frank Gaffney. Networks including CNN and MSNBC have also faced criticism for perpetuating Islamophobic narratives.

Politically, Islamophobia has proven advantageous in the post-9/11 era. Anti-Muslim entities have secured support among federal and state officials. Senator Ted Cruz attended events organized by the Center for Security Policy and appointed its founder Frank Gaffney as an advisor on foreign policy during his 2016 presidential campaign. Republican Representatives Scott Perry, Brian Babin, among others, have taken part in ACT for America's conferences; the SPLC classifies ACT for America as an anti-Muslim hate group. Former Washington State Representative Matt Shea received an award from ACT for America in 2015 recognizing his anti-terrorism efforts.

Research indicates that Islamophobic incidents are more frequently driven by electoral politics than by terrorist attacks themselves. A 2018 report from New America revealed that surges in anti-Muslim actions correspond with election periods rather than specific terrorist events like the Boston Marathon bombing. A senior fellow highlighted that political candidates often exploit public anxieties about Muslims to garner electoral support.

A 2019 poll conducted by the Institute for Social Policy and Understanding confirmed that political motivations outweigh religious factors in fueling Islamophobia. The study also noted that individuals displaying Islamophobic attitudes often exhibit intolerance toward other minority groups. Scholar Deepa Kumar contends that Islamophobia is a bipartisan issue perpetuated by persistent fears related to the war on terror.

The Islamophobia sector has evolved into a profitable enterprise. A 2013 report from the Center for American Progress estimated that Islamophobic think tanks generated $42.6 million between 2001 and 2009. Additionally, from 2014 to 2016, approximately $125 million was directed toward anti-Muslim organizations through foundations and donor-advised funds according to a 2019 report by the Council on American-Islamic Relations.

Safety concerns

In the aftermath of the attacks, a surge in fear of flying among Americans led to increased reliance on automobiles, which contributed to approximately 1,595 additional traffic fatalities in the subsequent year. This heightened anxiety also spurred the establishment of the Transportation Security Administration (TSA) aimed at strengthening airline security measures and rebuilding public trust in air travel.

Censorship

Films and television programs produced before 2001 that featured the Twin Towers or scenarios resembling the 9/11 attacks were frequently altered for later broadcasts. For instance, the The Simpsons episode "The City of New York vs. Homer Simpson" was modified due to its depiction of the World Trade Center.

Following 9/11, Clear Channel Communications, which operated over 1,000 radio stations across the United States, circulated a list of songs deemed "inappropriate," advising stations to refrain from playing them.

Several musical artists made changes to their releases after 9/11: New York-based Dream Theater withdrew their live album Live Scenes from New York because its cover displayed the burning Twin Towers. The Strokes substituted "New York City Cops" with "When It Started" on their U.S. debut album Is This It. The American rock group Jimmy Eat World retitled their third album from Bleed American to a self-titled version. British band Bush renamed their single "Speed Kills" to "The People That We Love" and revised the artwork for their album Golden State.

British band Feeder edited their 'Piece By Piece' music video by removing scenes featuring the World Trade Center and airplanes post-9/11. Additionally, Sean Altman altered lyrics of "Zombie Jamboree" on The GrooveBarbers' album Guts, substituting references to the World Trade Center with less sensitive material.

U.S. counter-narcotics strategy and its evolution post-9/11

The terrorist attacks on September 11, 2001, redirected U.S. national security focus toward confronting global terrorism, which indirectly influenced approaches against drug cartels within the broader war on drugs. Legal measures enacted after 9/11—such as expanded surveillance capabilities, financial monitoring, and terrorist designations—were adapted to combat narcotrafficking organizations. During the George W. Bush administration, drug cartels increasingly were perceived not only as criminal groups but also as threats to national security. Initiatives like the Patriot Act and strengthened border controls, originally targeting terrorism, set legal and operational precedents for disrupting illicit networks and paved the way for efforts to classify cartels as terrorist entities to enhance enforcement authority. On February 20, 2025, prominent drug cartels including the Sinaloa Cartel, Jalisco New Generation Cartel, and Gulf Cartel, among others, were formally designated as Foreign Terrorist Organizations by the U.S.

Building upon this framework, current U.S. strategies involve reexamining how to effectively address the complex threat posed by drug cartels. The CIA is assessing its mandate regarding lethal force against these groups. The expansion of intelligence gathering and military capabilities during the Bush era—including drone surveillance and targeted strikes—established a precedent for such actions against non-state adversaries. Contemporary reviews maintain alignment with post-9/11 policies prioritizing decisive intervention while balancing considerations related to international cooperation and potential diplomatic repercussions, reflecting ongoing debates over unilateral measures versus multilateral engagement.

See also

• List of failed terrorist schemes in the United States since 9/11
• Abdallah Higazy