Unreported / Non-Citable
Background
Erdenebulgan Sambuu, a Mongolian citizen held at the Adelanto ICE Processing Center, filed a counseled habeas petition under 28 U.S.C. § 2241 on October 6, 2026. Respondents answered on October 13 and he replied on October 14. The facts come from the petition and are allegations, not findings. The order says he entered on a B-1/B-2 visa on March 11, 2026, overstayed, and has lived in the United States for ten years; those dates do not line up, and the court did not reconcile them. He alleges steady work, available sponsors, and a pending 2017 application for asylum, withholding of removal, and Convention Against Torture protection.
The petition states that a 2018 prosecution for corporal injury on a spouse and assault likely to produce great bodily injury ended in 2019 with no-contest pleas to first-degree burglary, felony false imprisonment, and misdemeanor spousal battery, followed by a suspended sentence and four years of probation, and that he has had no later arrests. Immigration officers opened an enforcement case on August 10, 2026. When he appeared for a biometrics appointment on August 12, he was arrested, allegedly without advance notice, service of any document, or chance to contest custody. After he requested a bond hearing, an immigration judge denied bond on September 23, citing danger to the community based on his criminal history. His petition raised procedural due process, § 1226(a), and substantive due process claims.
The Court’s Holding
The court denied the petition. It used the two-step due process inquiry: whether a protected liberty interest exists and, if so, what procedures are required. It found that Sambuu has some interest in remaining out of custody and so applied the Mathews v. Eldridge factors. It treated his interest as limited because this was his first detention under § 1226(a), not a re-detention after release on supervision, and because immigration authorities had not yet assessed danger or flight risk. It distinguished decisions such as Singh v. Semaia, which suggest that a person previously released and compliant may be entitled to a hearing before re-detention.
On the second factor, the court found only a low or moderate risk of erroneous deprivation from providing a hearing after detention rather than before, citing Rodriguez Diaz v. Garland. On the third, it found the government's interest significant: enforcing immigration law and detaining, at least initially, someone whose risk the government has had no chance to assess. It concluded that Sambuu was not entitled to pre-detention notice and a hearing, and that the immigration judge bond hearing under § 1226(a) supplied adequate process.
The petition also argued that a warrantless arrest violated 8 U.S.C. § 1357(a) and its regulations. The court held that release is not the proper remedy, because the usual remedy for an unlawful arrest is suppression of evidence obtained from it, and cited several district court decisions. It did not decide whether this arrest was actually unlawful, and the order does not separately discuss the substantive due process claim. A footnote says Sambuu is not challenging the bond ruling, so the court did not reach exhaustion or review that ruling.
Key Takeaways
- The court held that a noncitizen detained for the first time under § 1226(a) was not entitled to pre-detention notice and a hearing, and that the later immigration judge bond hearing gave adequate process.
- The Mathews analysis turned on the court's view that the government has a significant interest in initial detention when it has not yet assessed danger or flight risk.
- The court treated first-time detention as different from re-detention after release on supervision, so the ruling does not directly resolve re-detention cases.
- Even if a warrantless arrest violated § 1357(a), the court said the remedy is suppression of evidence, not release through habeas.
- The order denies the petition without stating whether the denial is with or without prejudice, and it leaves the unchallenged bond decision untouched.
Why It Matters
This is a short in-chambers minute order from a magistrate judge and is not designated as reported in the materials, so it carries no binding precedential weight. Its main value is as an example of how a Central District judge applied Mathews to the arrest of a person never previously detained, relying on Ninth Circuit authority in Rodriguez Diaz and on recent district court decisions.
Several questions remain open. The order does not decide whether the arrest was unlawful, does not analyze the substantive due process claim, and does not review the immigration judge's bond denial or any exhaustion question. The court's reasoning rests on the first-detention posture, so it does not settle what process is due when someone is re-detained after release.