Before You Plead to Anything, If You Are Not a U.S. Citizen
A plea that looks like a good result in criminal court can be the worst available outcome once federal immigration law is applied to it. The decision is very hard to undo afterward, and the window to get it right is before you agree — not after. This is the checklist for that window.
Tell your defense lawyer you are not a citizen, at the first conversation
It is confidential, and it changes what a good resolution looks like. A lawyer who does not know cannot negotiate around consequences you cannot afford, and by the time it comes up at sentencing the useful decisions have already been made. This applies if you hold a green card too — lawful permanent residents can be placed in removal proceedings over certain convictions.
Do not assume a dismissal or a diversion makes you safe
Federal immigration law has its own, broader definition of a conviction. A diversion or deferred disposition that leaves nothing on your state record can still count as a conviction for immigration purposes. This is the single most costly misunderstanding in this area, and it catches people who did everything they were told to do.
Ask which category the offense falls into
Immigration exposure follows defined federal categories — offenses treated as aggravated felonies, crimes involving moral turpitude, controlled-substance offenses, domestic-violence offenses, and firearm offenses. Those categories do not track how serious a charge sounds. A misdemeanor can carry consequences that a more serious-sounding charge does not, so ask about the specific offense rather than reasoning from the label.
Ask what sentence is being imposed, not what will be served
For several categories the consequence turns on the length of the sentence imposed regardless of time actually served, with a threshold at one year. A sentence structured one day under that line and one structured at it are different immigration outcomes from the same charge. It is a concrete thing to negotiate for, and it is invisible unless someone asks.
Get immigration advice before the plea, not after
Either from a lawyer who practices both, or from an immigration lawyer working alongside your defense lawyer. What matters is that the analysis happens while the resolution is still being negotiated. Afterward it is a diagnosis rather than a strategy.
Ask whether a detainer has been placed
An immigration detainer can attach at the jail before the criminal case resolves at all, and how much local jails cooperate with federal immigration authorities differs sharply between the states. If someone is in custody, this is worth asking about immediately rather than discovering at release.
Keep every document, and do not sign anything you have not been advised on
Charging documents, plea paperwork, anything from immigration authorities. If someone asks you to sign a form while you are in custody, you are entitled to say you want to speak with a lawyer first. Saying that is not an admission of anything.
These steps are the same everywhere — the law is not
What is above applies wherever you are. How offenses are classified, how sentencing works, whether parole exists, and how local jails deal with immigration authorities are genuinely different in California, Arizona and New Mexico. Pick your state for that.
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General information, not legal advice, and nothing here promises or predicts an outcome in any particular case. You are presumed innocent, and confirming how any of this applies to your situation is what a consultation is for.