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Case Law UpdatesNovember 1, 2026Caselegis Team

When Fourth Amendment Claims Meet Immigration Proceedings: Lessons from Pedro-Vicente's Case

Rosa Pedro-Vicente's legal challenge highlights the complexities of Fourth Amendment claims in immigration proceedings, emphasizing the limited application of the exclusionary rule in such contexts.

In the case of Rosa Pedro-Vicente v. Merrick Garland, the Ninth Circuit Court of Appeals tackled a complex intersection of immigration law and constitutional rights. Rosa Pedro-Vicente and her minor daughter, Mari Luz Viviana Miguel-Pedro, found themselves in a legal battle after their applications for asylum, withholding of removal, and relief under the Convention Against Torture (CAT) were denied by the Board of Immigration Appeals (BIA). At the heart of their appeal was a Fourth Amendment claim, challenging the circumstances under which they were questioned by border patrol agents.

The petitioners argued that their Form I-213s, which documented their entry into the United States without inspection, should be suppressed. They claimed that the border patrol agents lacked probable cause or reasonable suspicion to question them, thus violating their Fourth Amendment rights. However, the Ninth Circuit affirmed the BIA's decision, highlighting the stringent requirements for applying the exclusionary rule in immigration proceedings. The court reiterated that such a rule applies only when there is an egregious violation of Fourth Amendment rights or a breach of regulations designed to protect the petitioners' interests. In this case, the court found no such violation, noting that immigration officers are not required to have reasonable suspicion to ask basic questions unless their conduct would lead a reasonable person to believe they were not free to leave.

This case is particularly useful for attorneys dealing with immigration proceedings involving Fourth Amendment claims. It underscores the limited circumstances under which the exclusionary rule can be invoked in such cases. Specifically, it illustrates that mere questioning by officers, even if they are armed, does not necessarily constitute a seizure unless there is a clear show of authority or coercion. Therefore, when citing this case, practitioners should focus on the need for a demonstrable and egregious violation of rights to suppress evidence in immigration contexts.

However, Pedro-Vicente's case is not a silver bullet for all Fourth Amendment claims in immigration law. It is not precedent-setting, given its memorandum disposition status, but it does offer guidance on the threshold for suppression of evidence. Attorneys should avoid citing this case when the facts do not involve a clear lack of reasonable suspicion or probable cause, as the court in this instance found no such deficiency.

Moreover, the case highlights the challenges in proving persecution based on a protected ground for asylum and withholding of removal. Despite fears of gang violence, the court found no nexus to a protected ground, reinforcing the need for concrete evidence linking persecution to specific protected categories. This aspect of the decision provides a cautionary tale for practitioners preparing asylum claims, emphasizing the importance of establishing a clear and compelling connection between the applicant's fears and a protected ground.

In conclusion, Rosa Pedro-Vicente v. Merrick Garland serves as a critical reference point for understanding the application of constitutional protections in the immigration context. It provides a nuanced view of when the exclusionary rule applies and the evidentiary burdens in asylum cases, making it a valuable, albeit limited, tool for immigration attorneys navigating similar legal landscapes.

If you want to dig into this yourself, here's the full opinion and complete citation history for Rosa Pedro-Vicente v. Merrick Garland.