What Is Mandatory Detention Under INA 236(c) and How Does It Block Bond?

When ICE Custody Leaves No Room for a Bond Request

Key Takeaways: Mandatory detention under INA 236(c), codified at 8 U.S.C. § 1226(c), requires DHS to take certain noncitizens with qualifying criminal or terrorism-related grounds into custody upon release from criminal incarceration, generally eliminating the discretionary bond hearing available under INA 236(a). Under 236(a), an immigration judge may set bond after weighing danger to the community, flight risk, family ties, and community connections, but 236(c) replaces that individualized review with a categorical command. The only statutory release exception is a narrow witness-protection provision that rarely applies, and judicial review of discretionary release decisions is sharply limited, though habeas review of legal and constitutional questions remains available. Even so, classification itself is contestable: a detained person may request a Joseph hearing to argue that mandatory detention may not apply, based on conviction records, sentencing details, Massachusetts dispositions such as continuances without a finding, the "when released" timing requirement, and possible post-conviction relief. In Jennings v. Rodriguez (2018), the Supreme Court held the statute contains no implied six-month limit requiring periodic bond hearings, though it did not decide the underlying constitutional questions, and as-applied challenges to prolonged detention may still be raised through federal habeas petitions. Families may benefit from acting quickly to locate the facility, confirm the A-number, and gather certified criminal dispositions, because the initial classification is sometimes wrong or overbroad.

Mandatory detention under INA 236(c) requires the federal government to take certain noncitizens with qualifying criminal or terrorism-related grounds into custody upon release from criminal incarceration, generally removing the discretionary bond process. A person properly held under this provision generally cannot ask an immigration judge to set bond, regardless of family ties or length of residence in Massachusetts, a jarring outcome for families expecting the individualized hearing they’d see in state court. Understanding how the statute works is often the first step toward identifying whether it actually applies, because it does not apply to everyone ICE detains.

If someone you love is being held without a bond hearing, timing matters. The team at Toland Law handles removal defense and ICE custody matters across Massachusetts. Call 781-819-3647 or contact us now to schedule your free consultation. Better Call Paul!

The Default Rule: Discretionary Detention Under INA 236(a)

Many people arrested by ICE during removal proceedings fall under the general detention provision rather than the mandatory one. Under 8 U.S.C. § 1226(a), the Attorney General may arrest and detain a noncitizen pending a removal decision and "may release the alien on… bond… or conditional parole," with any bond set at no less than $1,500. Detention authority is now largely exercised by DHS, which assumed most of the Attorney General’s immigration enforcement functions in 2003.

When 236(a) governs, a detained person may generally request a bond redetermination before an immigration judge, who typically considers whether the person presents a danger to the community and whether they are likely to appear for hearings, with the detained person bearing the burden on both. Family support letters, employment history, and community ties often carry weight, though outcomes always depend on the specific record.

What Judges Commonly Weigh in a Redetermination

• Whether the person poses a danger to the community or specific individuals
• Length of residence in the United States and ties to Massachusetts
• Immigration history, including prior removals or failures to appear
• The nature and seriousness of any criminal record
• Whether a plausible form of relief from removal exists

Massachusetts residents who have been through the state criminal system often find this familiar. Under M.G.L. c. 276, § 58, a bail magistrate considers the nature of the offense, family ties, financial resources, employment record, reputation, length of residence, and conviction record before setting release conditions. The federal analysis differs in structure and consequence, but the individualized instinct is similar.

How Mandatory Detention INA 236(c) Changes the Analysis

Subsection (c)(1) generally converts that discretionary framework into a categorical command. The statute requires the Attorney General to take into custody any alien falling within enumerated criminal or terrorism-related grounds "when the alien is released" from criminal custody. These categories, defined by cross-reference to specific grounds of inadmissibility and deportability, include most controlled substance offenses, aggravated felonies, certain crimes involving moral turpitude carrying a sentence of at least one year, certain firearms offenses, and terrorism-related grounds, per 8 U.S.C. § 1226. Congress has amended this list over time, most recently in 2025 to add certain theft- and assault-related offenses, so current statutory text should always be consulted.

The word "shall" does the work. Once the government establishes a person falls within a listed category, custody is generally not a judgment call, and the ordinary bond redetermination path is foreclosed. This is why two people with seemingly similar records can have very different outcomes: one conviction may fall inside the enumerated grounds while the other does not.

The Narrow Witness-Protection Exception

Subsection (c)(2) contains one statutory release exception, generally understood to be narrow. Release is permitted only if the Attorney General decides pursuant to 18 U.S.C. 3521 that release is necessary to provide protection to a witness, a potential witness, a person cooperating with an investigation into major criminal activity, or an immediate family member or close associate of such a witness, potential witness, or cooperating person — and only where the person will not pose a danger to the safety of others or property and is likely to appear for any scheduled proceeding. In practice, very few detained individuals qualify, and it should not be treated as a realistic backup plan.

Why Judicial Review Is Limited

Subsection (e) states that "the Attorney General’s discretionary judgment regarding the application of this section shall not be subject to review," and no court may set aside detention or release decisions. This is a significant part of why detention without bond can feel like a closed door. However, the Supreme Court has read this bar to reach discretionary judgments rather than strip courts of habeas jurisdiction over legal and constitutional challenges, and immigration judges may hold a Joseph hearing to decide whether a person is properly included within 236(c) at all, a distinct question from reviewing a discretionary release decision.

Assessing Immigration Bond Hearing Eligibility in Massachusetts

Immigration bond hearing eligibility generally turns on classification, and classification is often contestable. Before accepting that a case is bond ineligible, an attorney generally examines the conviction records, statute of conviction, sentence imposed, and whether the offense matches an enumerated ground under the categorical or modified categorical approach. Massachusetts dispositions, including continuances without a finding, sometimes produce results that don’t match the government’s initial charging assumptions, although a continuance without a finding involving an admission to sufficient facts and some penalty may still count as a conviction under federal immigration law.

Several arguments may be available depending on the facts, including disputing whether the conviction qualifies as an aggravated felony or crime involving moral turpitude, challenging whether the person was taken into custody "when released" as the statute contemplates, or pursuing post-conviction relief to vacate a conviction on legal grounds. Each is fact-intensive, and none is guaranteed to succeed.

💡 Pro Tip: Gather certified copies of every criminal disposition, including docket sheets and plea colloquies, before the first master calendar hearing. Classification fights often turn on those documents.

What the Supreme Court Said About Prolonged Detention

In Jennings v. Rodriguez (2018), the Supreme Court held that the detention statutes cannot be read to implicitly require periodic bond hearings after six months. The Court rejected the Ninth Circuit’s use of the constitutional avoidance canon, which had imposed automatic six-month bond hearings, reasoning that nothing in the statutory text supports an implied time limit. The Court did not decide whether prolonged detention without a hearing is constitutional, instead remanding those questions. Congressional Research Service analysis of the decision explains that the ruling clarified the scope of mandatory detention without resolving every constitutional question. A former immigration judge’s analysis of the mandatory detention ruling walks through the same statutory interpretation.

The practical consequence is that detention under 236(c) may continue for the duration of the case. The Court did, however, leave open as-applied constitutional challenges to unreasonably prolonged detention, and lower courts have divided on when such detention becomes unreasonable. These claims are often raised through federal habeas litigation rather than in immigration court.

Habeas Corpus as a Separate Track

Federal habeas petitions are a distinct proceeding, filed in United States District Court rather than before an immigration judge. Detainees facing lengthy confinement sometimes pursue ICE detention habeas petitions to argue that continued custody has become constitutionally unreasonable on the specific facts. Results vary considerably depending on the length of detention, the reason for delay, the likelihood of eventual removal, and the case’s posture.

💡 Pro Tip: Detention that drags on because of government continuances or appeal delays may build a stronger as-applied record than delay caused by the detainee’s own requests.

Practical Steps for Families Facing Massachusetts Immigration Detention

Families may have more influence on the outcome than they realize, particularly in the first few weeks. Locate the facility, confirm the A-number, and begin collecting supporting documentation as early as possible. If the case turns out to fall under 236(a) rather than 236(c), that evidence may become the foundation of a bond motion.

Prepare for the possibility that the initial custody classification is wrong or overbroad. Detainees are sometimes told they are subject to no bond immigration detention when a careful review of the record suggests otherwise. An attorney with both criminal defense and immigration experience may be well positioned to evaluate that question, since the analysis generally begins with the underlying Massachusetts conviction.

Frequently Asked Questions

1. Can an immigration judge ever release someone held under 236(c)?

Generally no, apart from the narrow witness-protection exception in subsection (c)(2), decided by the government rather than the judge. A judge may, however, hold a Joseph hearing to determine whether the person is properly subject to mandatory detention. If not, the case may revert to the discretionary bond framework.

2. Does every criminal conviction trigger mandatory custody?

No. Generally, only offenses falling within the enumerated INA 236c criminal grounds trigger the mandate, and the categorical analysis can be technical, sometimes turning on the sentence imposed or number of prior offenses. Many Massachusetts dispositions require close examination before any conclusion is appropriate.

3. What happens if ICE did not detain the person immediately upon release from jail?

The statute’s "when the alien is released" language has generated significant litigation. In Nielsen v. Preap (2019), the Supreme Court held that a delay in taking someone into custody does not by itself exempt that person from mandatory detention, so timing-based arguments are considerably narrower than they once were, though related questions continue to be litigated.

4. Can vacating a criminal conviction help?

Sometimes. If a conviction is vacated because of a substantive or procedural legal defect, rather than solely for immigration hardship or rehabilitative reasons, it generally no longer counts as a conviction for immigration purposes and may no longer support removability or mandatory custody. This is a demanding process with no assured outcome.

5. How long can someone be detained without a bond hearing?

Under Jennings v. Rodriguez, the statute imposes no automatic six-month limit. Detention may continue through the duration of proceedings, subject to potential as-applied constitutional challenges in federal court.

Moving Forward With Clear Information

Mandatory detention under INA 236(c) is a serious statutory constraint, but it is not self-proving. The government must generally show that a person actually falls within the enumerated grounds, and that determination may depend on conviction records, sentencing details, and how a particular Massachusetts offense maps onto federal categories. Families navigating this process deserve a frank assessment of where the real arguments may lie rather than a premature acceptance that no options exist.

Toland Law brings a diverse, multicultural team and dual capability in criminal defense and immigration bond hearing eligibility lawyer matters to every custody case. Reach Toland Law at 781-819-3647 or schedule your free consultation today. Better Call Paul!

Disclaimer: This content is for informational purposes only and is not legal advice. Every case is unique, and results may vary. Consult an attorney about your specific circumstances.