Baker Botts·LITIGATION / APPELLATE

Second Circuit Allows Warrantless Manual Cellphone Searches at U.S. Borders

U.S. appeals court rules travelers’ phones can be manually searched at international airports without any suspicion, leaving forensic analysis unresolved.

In United States v. Alisigwe, the Second Circuit held on September 17, 2026, that federal officers may manually search a traveler’s cellphone at the border—including international airports—without any individualized suspicion. The majority applied the border‑search exception, treating the phone as property, and distinguished “non‑routine” searches that require reasonable suspicion. The ruling affirms the defendant’s conviction after two manual border searches uncovered fraudulent identity and banking data. The court left unresolved whether more intrusive forensic examinations, such as off‑site data extraction, require any suspicion, creating a split with the Fourth Circuit, which demands individualized suspicion for forensic border searches. The decision also highlights pending questions about compelled passwords and warrantless access to cloud data. For multinational clients, the ruling expands permissible border inspections; counsel should advise limiting sensitive data on travel devices, consider auto‑delete features, and monitor evolving jurisprudence on forensic searches and digital privacy. Watch for potential Supreme Court review, circuit splits on forensic standards, and legislative responses to border‑search technology.

second-circuit-border-searchcellphone-warrantless-searchalisigwe-caseforensic-search-unresolvedprivacy-border-checks
Read the original firm alert → Friday, October 2, 2026

Stay ahead

Join the digest.

Each weekday's issue by email, through Substack. Or follow the RSS feed.