Securitizing Migration: Political Polarization and the Institutionalization of ICE Enforcement in the United States

Political Polarization and Uneven Enforcement

It is not only partisan divides that shape immigration enforcement on the ground. Enforcement patterns are also influenced by institutional capacity, prosecutorial discretion, and the willingness of local law enforcement agencies to cooperate with federal authorities. Democratic-led states such as California generally support sanctuary policies and limit cooperation with federal immigration agencies, thereby reducing the operational reach of ICE within local jurisdictions. By contrast, Republican-led states such as Texas often mandate collaboration with federal authorities, prohibit sanctuary protections, and strengthen federal–local enforcement partnerships. These differing political orientations shape whether immigration enforcement becomes more constrained or normalized within state governance. As a result, federal immigration enforcement is implemented unevenly across states and is significantly influenced by domestic political dynamics and partisan alignments.

Such fragmentation has broader implications. It generates inconsistent exposure to enforcement risks, meaning that the lived experience of immigration policy differs dramatically depending on state of residence. This territorial unevenness reinforces the perception that migration governance is not merely legal administration but an arena of political contestation. Enforcement intensity becomes a symbolic extension of partisan identity, deepening polarization rather than producing uniform regulatory outcomes.

ICE arrest data show a sharp increase following the 2024 election, as documented by the UCLA Center for Neighborhood Knowledge (2025).  However, enforcement intensity differs dramatically across states. In some states, arrest rates remain below one per 1,000 non-citizens, while in others they exceed twenty per 1,000—an extraordinary disparity detailed in State Variations in ICE Arrests (2025). These differences are too large to be explained simply by demographic distribution or uniform federal statutes.

A closer comparison between California and Texas illustrates this divergence. Despite California having a comparable or larger non-citizen population, Texas recorded significantly higher arrest rates after adjusting for exposure risk, as shown in the California limits cooperation with federal immigration authorities, while Texas mandates collaboration and prohibits sanctuary-style protections, as also discussed in the ICE Arrests in California and Texas (2025). These differences demonstrate how immigration enforcement is shaped not only by federal law, but also by state-level political priorities and local institutional cooperation.

These patterns demonstrate that immigration enforcement is not merely the mechanical execution of federal law. Instead, it is filtered through local political will, institutional cooperation, and partisan alignment. Immigration policy becomes territorially differentiated, reflecting ideological divides rather than uniform administrative practice. In this sense, enforcement intensity operates as an extension of political identity.

Framing Migration as a Security Threat

Securitization theory provides a framework for understanding how migration shifts from policy issue to perceived existential threat. As explained in Security Studies: An Introduction (4th ed.), securitization occurs when political actors frame an issue as requiring extraordinary measures beyond normal democratic procedures.

The conceptual foundations of this approach are elaborated in Regions and Powers: The Structure of International Security (2003), which argues that security is socially constructed rather than objectively determined. Migration does not inherently threaten state survival. It becomes threatening when framed as endangering sovereignty, identity, or social cohesion.

Debates within contemporary security scholarship, summarized in Modern Schools of Thought in Security Studies (2023), further show how migration is often placed within the societal security sector. Here, concerns about cultural change and national identity become central to political discourse.

In the U.S. context, decades of rhetoric linking immigration to crime, border disorder, and demographic anxiety have contributed to this framing. Once migration is accepted as a security issue, expanded enforcement powers become politically defensible. Emergency language justifies extraordinary measures.

This idea is supported by what securitization scholars call “audience acceptance,” in which security narratives become influential once they are accepted and reproduced by the public. In contemporary securitization theory, threat narratives gain power not only because political elites promote them, but also because they resonate with segments of society that perceive demographic shifts, economic competition, or cultural change as destabilizing forces. This dynamic is further discussed in The US Deportation System: History, Impacts, and New Empirical Research (2025). Threat narratives gain power not simply because political elites articulate them, but because they resonate with segments of the public who perceive demographic change, economic competition, or cultural transformation as destabilizing forces. This dynamic is reflected in recent public opinion research on immigration enforcement in sensitive locations. A national survey conducted by In polarized political environments, such narratives become self-reinforcing. Media ecosystems amplify selective incidents, transforming isolated events into generalized patterns of perceived insecurity.

Over time, repeated exposure to such framing can normalize the assumption that migration inherently carries risk. The boundary between exceptional emergency and routine governance begins to blur. Once migration is widely understood as a security matter, resistance to enforcement expansion becomes politically costly, further entrenching securitized logic within institutional practice.

From Expansion to Institutionalization

Securitization becomes entrenched when embedded in bureaucratic structures. Evidence from The Landscape of Immigration Detention in the United States (2018) shows that detention capacity expanded dramatically over the past three decades, creating a dense nationwide enforcement infrastructure.

The growth of interior enforcement programs is examined in The Impact of Interior Immigration Enforcement on the Lives of Undocumented Immigrants (2024), which highlights how federal–local cooperation integrated immigration control into routine policing practices. Programs such as 287(g) blurred distinctions between civil immigration law and criminal enforcement.

The longer legislative trajectory of enforcement escalation is traced in From IIRIRA to Trump: Connecting the Dots to the Current U.S. Immigration Policy Crisis (2018), which documents how policy reforms steadily broadened deportation authority and normalized detention expansion.

What emerges is not a temporary reaction to crisis but a durable enforcement architecture. Securitization is no longer rhetorical; it is institutionalized through budgets, detention contracts, and interagency cooperation.

Politics of Fear and Executive Performance

Immigration enforcement also operates as political theater. Executive Spectacle Policing: Protest, Immigration, and Lessons from the Performance of State Power in the Trump Era (2025) describes enforcement actions as public displays of executive strength designed to convey authority and decisiveness.

Media amplification plays a crucial role in this process. Highly publicized raids and deportations circulate images of state control. Enforcement becomes visible reassurance to supporters that perceived threats are being managed.

Yet empirical research complicates the narrative linking immigrants to crime. Debunking the Myth of Immigrants and Crime (2020) finds limited evidence supporting claims that immigrants increase criminal activity. The persistence of threat framing therefore relies more on political communication than on statistical reality.

Language contributes symbolically. Beliefs and Opinions about “Illegal” and “Undocumented” Immigrants (2025) shows that terminology alone does not significantly change public attitudes, but reflects partisan alignment. Words signal identity more than they transform perception.

Together, these dynamics reveal how fear operates as a political resource. Enforcement is justified not only through law but through spectacle and narrative reinforcement.

Human Security and Intergenerational Consequences

Research on local immigration enforcement has also identified measurable educational consequences. ICE at the Door, Tests on the Floor: Student Achievement and Local Immigration Enforcement (2025) found that large-scale ICE arrest operations were associated with declining standardized test scores among Hispanic students, particularly in communities directly exposed to immigration enforcement activities. The study suggests that fear, stress, and disruptions within immigrant households can negatively affect students’ academic performance.

The consequences of immigration enforcement affect not only undocumented youth but also U.S. citizen children living in immigrant households. The same study suggests that increased absenteeism, stress, and fear within these communities can negatively affect students’ educational performance and contribute to broader intergenerational consequences. As a result, immigration enforcement produces indirect but tangible disruptions that may hinder long-term educational outcomes.

Broader psychological consequences are documented in The Impact of Immigration and Customs Enforcement on Immigrant Health (2011), which reports heightened anxiety, social withdrawal, and distrust toward public institutions. Fear extends beyond legal status and reshapes everyday life.

From a human security perspective, these findings raise normative concerns. As argued in The New Security Studies and Soft Power (2011), security should not be confined to state survival but encompass emancipation and individual well-being. When enforcement policies generate structural educational and psychological harm, the meaning of security becomes contested.

Conclusion: Competing Logics of Security

The surge in ICE arrests following the 2024 election reflects more than policy recalibration. It reveals how migration has been securitized, embedded in institutional practices, and normalized through political performance.

Territorial disparities demonstrate that enforcement intensity reflects partisan governance. Detention expansion shows bureaucratic entrenchment. Public spectacle reinforces narratives of threat. Empirical research reveals measurable social costs.

Migration governance thus becomes a site of competing security logics. One prioritizes sovereignty, control, and deterrence. The other emphasizes dignity, stability, and long-term social cohesion. The central question is not whether security matters, but whose security is prioritized—and whether the pursuit of state-centered security ultimately undermines the human foundations upon which it depends.

References

Ong, P., Ong, J., & Pech, C. (2025, July 30). State variations in ICE arrests. UCLA Center for Neighborhood Knowledge. https://knowledge.luskin.ucla.edu/2025/07/30/state-variations-in-ice-arrests-following-the-2024-election/

Ong, P., & Ong, J. (2025, September). ICE arrests in California and Texas: Polarized politics and outcomes. UCLA Center for Neighborhood Knowledge. https://knowledge.luskin.ucla.edu/wp-content/uploads/2025/09/UCLA_CNK_ICE_Arrests_CA_TX_Sept2025.pdf

Nyman, J. (2023). Securitization. In P. D. Williams & M. McDonald (Eds.), Security studies: An introduction (4th ed., pp. 219–242). Routledge. https://doi.org/10.4324/9781003247821-9

Ryo, E., & Peacock, I. (2018). The landscape of immigration detention in the United States. American Immigration Council. https://www.americanimmigrationcouncil.org/wp-content/uploads/2025/01/the_landscape_of_immigration_detention_in_the_united_states.pdf

Hacker, K., Chu, J., Leung, C., Marra, R., Pirie, A., Brahimi, M., English, M., Beckmann, J., Acevedo-Garcia, D., & Marlin, R. P. (2011). The impact of Immigration and Customs Enforcement on immigrant health: Perceptions of immigrants in Everett, Massachusetts, USA. Social Science & Medicine, 73(4), 586–594. https://doi.org/10.1016/j.socscimed.2011.06.007

Buzan, B., & Wæver, O. (2004). Regions and powers: The structure of international security. Cambridge University Press.

Wong, T. K., & Shklyan, N. (2024). The impact of interior immigration enforcement on the lives of undocumented immigrants. The Journal of Race, Ethnicity, and Politics, 6(3), 669–687. https://doi.org/10.1017/rep.2024.19

Zhirkov, K., & Brehm, R. H. (2025). Beliefs and opinions about “illegal” and “undocumented” immigrants: Conceptual replication of a null result. Research and Politics, July-September 2025, 1–5. https://doi.org/10.1177/20531680251355233

Sorg, E. T. (2025). Executive spectacle policing: Protest, immigration, and lessons from the performance of state power in the Trump era. Policing and Society. https://doi.org/10.1080/10439463.2025.2535670

Al-Rasheed, M. A. A., & Al-Saeedi, U. M. B. (2023). Modern Schools of Thought in Security Studies. Migration Letters, 20(S5), 646–660.

Bennett, C., Graves, V., & Meadows, B. (2025). ICE at the Door, Tests on the Floor: Student Achievement and Local Immigration Enforcement. RSF: The Russell Sage Foundation Journal of the Social Sciences, 11(4), 104–122. https://doi.org/10.7758/RSF.2025.11.4.05

Kerwin, D. (2018). From IIRIRA to Trump: Connecting the Dots to the Current US Immigration Policy Crisis. Journal on Migration and Human Security, 6(3), 192-204. https://doi.org/10.1177/2331502418786718

Reshad, A. (2011). The new Security Studies and Soft power. Journal of American Science, 7(12), 1031-1036.

American Immigration Council. (2024). Debunking the myth of immigrants and crime (Fact Sheet). https://www.americanimmigrationcouncil.org/wp-content/uploads/2025/01/debunking_the_myth_of_immigrants_and_crime.pdf

Blackburn, C. C., & Callaghan, T. (2025). U.S. public opinion about immigration enforcement in sensitive locations. Journal of Immigrant and Minority Health, 28(1), 9–22. https://doi.org/10.1007/s10903-025-01772-0

Patler, C., & Jones, B. (2025). The US deportation system: History, impacts, and new empirical research. RSF: The Russell Sage Foundation Journal of the Social Sciences, 11(4), 1–24. https://doi.org/10.7758/RSF.2025.11.4.01