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https://www.illinoislegalaid.org/legal-information/your-rights-during-criminal-investigation-or-arrest
Fecha: 07/25/2026

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  2. Delitos y tránsito
  3. Interacción con la policía
  4. Sus derechos durante una Investigación o arresto penal

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Your rights during a criminal investigation or arrest FAQ

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Do you have to talk to the police if you are being investigated? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

No. You do not have to make a statement, answer police questions, or participate in a police investigation. Usted tiene el derecho a permanecer en silencio si la policía intenta interrogarlo sobre un Crimen. Cualquier cosa que diga puede ser y será utilizada en su contra en la Corte.

This is true whether police contact you in person, by phone, at your home, or at a police station. It is also true if police tell you that you are only a witness, that they "just want to talk," or that answering questions will help clear things up. If police question you about a crime, it is often a good idea to speak with a lawyer before answering questions.

If you want to remain silent, clearly tell the police, "I am exercising my right to remain silent." If you want a lawyer, say, "I want to speak with a lawyer." Once you ask for a lawyer, do not continue answering questions about the investigation. Being arrested does not take away your right to remain silent. 

Note: In some situations, Illinois law may require you to provide identifying information, like your name and address. However, you do not have to answer additional questions. Also, you must provide your driver's license and other required documents during a traffic stop.

Can police lie to you during an investigation? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

Yes. Police are generally allowed to use deception during criminal investigations. For example, officers may falsely claim that they have evidence against you or that another person has implicated you in a crime. Do not assume that information provided during an interrogation is accurate.

However, Illinois law provides additional protections for those under the age of 18 and certain people with severe or profound intellectual disabilities. These individuals are considered "protected persons."

When questioning a protected person in custody, police generally cannot:

  • Knowingly provide false information about evidence, or
  • Promise leniency in exchange for a confession when they are not authorized to make that promise.

A confession obtained through prohibited deceptive practices may not be admissible in court.

Do you have to take a lie detector test? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

No. No es necesario que usted se someta a una prueba de detector de mentiras. Esto se aplica a las personas que están bajo arresto, así como a las que no han sido arrestadas.

Aunque las pruebas del detector de mentiras no se pueden usar como evidencia en la mayoría de las cortes, pueden ser y serán utilizadas por los oficiales de policía y los fiscales del estado para decidir si presentar o no cargos formales.

Una prueba de detección de mentiras no siempre es precisa. Puede mostrar que usted está mintiendo aunque no lo esté, o decir que usted está diciendo la verdad cuando está mintiendo. This is why taking a lie detector test can be harmful even if you are telling the truth. 

Do you have to participate in a line-up? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

Solo si está bajo arresto. No tiene que ir a una estación de policía para participar en una rueda de reconocimiento si no ha sido arrestado.

¿Qué es una Orden judicial? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

A warrant is a written order signed by a judge that authorizes police to take a specific action, such as searching a particular place or arresting a particular person. Police sometimes need a warrant before conducting a search or making an arrest. However, there are situations where police may act without a warrant, such as when they have probable cause to believe a person is committing or has committed a crime. A warrant may also be issued if you fail to appear in court. This is often called a "bench warrant."

How can you find out if there is a warrant for your arrest? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

El secretario de la Corte de Circuito en el condado donde se emitió la Orden judicial debe tener un expediente de la Orden judicial. Puede tardar varios días para que la oficina del secretario actualice sus registros.

If you think there may be a warrant for your arrest, contact the circuit court clerk in that county to see if a warrant has been issued for your arrest.

Keep in mind that police do not always need a warrant to make an arrest. In some situations, a person may be arrested without a warrant if police have a legal basis to do so.

What happens when you are arrested? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

A police officer may arrest you if they reasonably believe that you are committing a crime or that you have committed a crime. Ser arrestado no significa que usted sea culpable.

You are generally under arrest when a reasonable person in your situation would not feel free to leave. Some signs that you may be under arrest include:

  • Ser esposado
  • Ser puesto en la parte trasera de un coche de policía cerrado con llave
  • Ser fichado en una comisaría de policía
  • Que se le tomen las huellas dactilares y se le fotografíe
  • Being told that you are under arrest

Not every interaction with police is an arrest. Police may briefly stop and question a person without making an arrest. However, if police take you to a station or another location and do not allow you to leave, you are likely under arrest.

The law distinguishes between a temporary detention and an arrest. In some situations, a person may be considered under arrest even if police do not formally say, "You are under arrest." Courts look at the circumstances of the encounter to determine whether a reasonable person would have felt free to leave.

If you are arrested, you must provide your real name and address. You do not have to answer additional questions about an alleged crime. If police question you, you can say, "I am exercising my right to remain silent." You can also tell police, "I want to speak with a lawyer." Once you ask for a lawyer, you should not continue answering questions about the investigation.

What rights do you have if you are arrested or in police custody? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

Cada vez que lo arresten o lo lleven a custodia, se le debe advertir sobre ciertas cosas. Otherwise, the information you give to the police might not be able to be used against you. A estas se les llama advertencias de Miranda. You should be given these warnings when you are taken into police custody and before you are questioned.

If you are in custody, you should be treated humanely and provided with proper food, shelter, and medical treatment if necessary. You also have the right to make up to 3 free phone calls within 3 hours after arriving at the first place where police hold you in custody

The four Miranda warnings are:

  • The right to remain silent,
  • The warning that anything you say can be used against you in court,
  • The right to a lawyer, and
  • The right to have a lawyer appointed if you cannot afford one.

You do not have to answer questions about a crime, make a statement, or take a lie detector test. Clearly tell the police, "I am exercising my right to remain silent." If you want a lawyer, say, "I want to speak with a lawyer."

How long can police hold you before charging you with a crime? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

There is no exact time limit for how long an adult can be held in police custody before being charged.

Un adulto puede estar bajo custodia policial durante 48-72 horas antes de ser acusado o liberado. Si va a estar detenido más de 48 horas, debe ser presentado ante un juez para determinar si se justifican 24 horas más de detención en la estación.

A judge will look at many different factors to determine if someone’s constitutional rights were violated as a result of being held too long, including:

  • How long the person was held
  • Whether and how often the Miranda rights were read
  • Whether the person was questioned
  • The conditions under which the person was held, such as access to food, water, sleep, or medical care

Children have additional protections. The amount of time a minor may be held depends on the child's age and the alleged offense. Por ejemplo:

  • Juveniles age 12 and older may be held in a jail or police lockup for up to 12 hours, or up to 24 hours for certain serious offenses
  • Children under age 12 generally may not be held for more than 6 hours

Beginning July 1, 2027, minors under age 13 generally may not be held in a jail or police lockup for more than 6 hours unless they are charged with certain serious violent offenses.

Being held in custody does not necessarily mean you have been charged with a crime. Police may continue investigating while deciding whether charges should be filed.

Can you make phone calls while you are in police custody? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

Yes. In Illinois, you have the right to make up to 3 free phone calls within 3 hours after arriving at the first place where police hold you in custody. Police must provide access to a landline or cell phone so you can make those calls.

You have the right to contact:

  • A lawyer of your choice,
  • Family members, and
  • Other people who may be able to help you.

If police transfer you to a new place of detention, your right to make 3 phone calls begins again when you arrive at the new facility.

If you are under investigation or have been arrested, it is usually best to speak with a criminal defense lawyer before answering questions or making a statement. Even if police tell you that you are only a witness or that they "just want to talk," you should consider speaking with a lawyer first.

If you ask for a lawyer, police should stop questioning you until your lawyer is present. Calls with your lawyer are private. Police cannot monitor, listen to, or record conversations between you and your lawyer.

What happens if you are arrested while your children are with you? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

If you are arrested in your home and your children are present, police should try to place the children with a relative or another responsible adult that you choose. If no appropriate caregiver is available, the police may contact child welfare authorities to ensure the children are safe. If possible, tell the officers about any children who depend on you and provide contact information for a trusted adult who can care for them.

Do juveniles have special rights when they are arrested or questioned by police? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

Yes. Police can arrest minors who are suspected of committing a crime. However, Illinois law provides additional protections for children during police investigations and questioning. When deciding whether to release a minor or keep them in custody, police may consider factors such as the alleged offense, the child's age, family situation, school attendance, prior history, and available community resources.

Children also have special protections during police questioning. Under Illinois law, juveniles are considered "protected persons." Certain people with severe or profound intellectual disabilities are also considered protected persons. Police cannot use certain deceptive interrogation tactics to obtain a confession from a protected person. For example, an officer generally cannot:

  • Knowingly provide false information about evidence, or
  • Promise leniency in exchange for a confession when they are not authorized to make that promise.

If police obtain a confession using prohibited deceptive practices, the confession may not be allowed as evidence in court.

Because children have additional legal protections, parents and guardians should consider speaking with a lawyer as soon as possible if a child is arrested or questioned by police.

Calls with friends, family members, or other people are generally not private. Police may monitor or record those conversations, so you should avoid discussing the facts of your case or anything related to the investigation. Calls with your lawyer are private. Police cannot monitor, listen to, or record conversations between you and your lawyer.

If a public defender provides legal representation at the police station, the public defender's phone number must be posted where people in custody can see it. In Cook County, you can contact the on-call Cook County Public Defender at (844) 817-4448.

Should you get a lawyer if you are being investigated or under arrest? Copie el enlace de esta pregunta El enlace ha sido copiado. ×

Yes. If police are investigating you or you have been arrested, it is usually a good idea to talk to a criminal defense lawyer as soon as possible. A lawyer can explain your rights, help you decide whether to answer police questions, and represent you if criminal charges are filed.

If you cannot afford a lawyer, you may qualify for a public defender if you are charged with a crime. A judge will decide whether you qualify based on your financial situation and the type of case. Learn more about public defenders.

Even if police tell you that they "just want to talk" or that you are only a witness, consider speaking with a lawyer before answering questions.

Important: If a public defender provides legal representation at the police station, the public defender's phone number must be posted where people in custody can see it. In Cook County, you can contact the on-call Cook County Public Defender at (844) 817-4448.

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