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Child Sex Crimes Defense | Frisco, Texas

Accused of Child Sexual Abuse in Texas? Speak With a Defense Lawyer Before You Take a Polygraph

Barbieri Law Firm defends people accused of child sex crimes in Collin County, Dallas-Fort Worth and across Texas. We will review the accusation, any interview and any test, and explain your options.

By Heather Barbieri · Published October 22, 2026

A polygraph is a test that records body responses while an examiner asks questions. It does not read the truth directly. If you face a polygraph child sexual abuse accusation in Texas, the decision deserves time and careful thought before you answer.

Why the Polygraph Question Comes Up So Early

A request to take a polygraph often arrives at a hard moment. An accusation has been made, and the person named may still be trying to understand what is being alleged. The request can come before there has been any chance to speak with a lawyer.

Many people feel pressure to answer quickly. They want to show they have nothing to hide, or they want the situation to end. That urge is understandable. It is also the reason to slow down.

This guide gives general information about how Texas child sexual abuse investigations work. It does not decide any particular case, and it does not predict how an exam or an investigation will turn out.

Time matters here. A decision made in the first days of an investigation can shape what comes after. Knowing the process first helps you decide with clear eyes.

If an accusation has been made and a polygraph has been requested, you do not have to decide alone. We offer a free, confidential first consultation with no obligation to continue. Talk it through with our team — the first consultation is free, confidential, and carries no obligation.

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What a Polygraph Exam Is and What It Measures

A polygraph exam records physical responses while an examiner asks questions. Common measures include breathing, heart rate, and skin conductivity, which is how well the skin carries a small electrical current.

The machine does not read thoughts. It only records changes in the body. The examiner then reviews the charts and reaches a conclusion about them. The result depends on which questions are asked, how they are worded, and how the examiner reads the charts.

Stress, fear, and confusion can all change those readings. A person frightened by an accusation can show body changes for reasons that have nothing to do with the question. Reading those changes is a judgment call, not a simple fact.

So a result does not settle what happened. The exam is only as useful as its questions. Many people think of polygraphs as simple lie detectors, but the process is more complicated than that. Understand the limits before you rely on any result.

Who Is Asking, and What They Are Investigating

The first thing to find out is which agency is asking and what allegation is under review. Two different tracks can run at the same time, and they carry different consequences.

A Child Protective Services (CPS) case is a child-safety investigation.

A criminal investigation is different. It can lead to charges under the Texas Penal Code and runs through the criminal court process. The two tracks can overlap, so a reader may face both at once. Our CPS finding versus criminal charge guide compares them in more detail.

DFPS publishes a parent’s investigation guide about its investigation process. Read any written notice carefully. Write down the investigator’s name, the agency, and the exact allegation.

Why Talking With a Lawyer Comes Before Agreeing

Talk with a lawyer before you agree to an exam, because the process starts before the test does. A polygraph exam typically includes a pre-test interview, in which the examiner asks about the allegation and the person’s background.

Statements made in that interview are part of the process, not just the test itself. A remark made before the exam begins can matter as much as a chart. That is why the timing of the decision is so important.

A lawyer can review several things before you decide:

  • the exact allegation and the agency asking
  • the questions the examiner proposes
  • the timing and who is conducting the exam
  • your own account of events, shared privately before any statement is made

Whether agreeing to an exam makes sense depends on the facts of the case. A consultation lets you ask questions and understand your options before you give any statement to anyone.

How Online Evidence and Sting Cases Change the Picture

Some child sex crime allegations in Texas begin with online conversations. In some of those cases, an officer poses as a minor. The law on online contact is specific, so the details of the messages matter.

That offense is a second-degree felony. The statute also says it is not a defense that the meeting did not occur.

Entrapment is a separate question. Under Penal Code § 8.06, entrapment is a defense when a law enforcement agent induces the conduct using persuasion or other means likely to cause persons to commit the offense. Merely giving someone an opportunity to commit an offense does not count as entrapment.

Messages, account records, and other digital evidence can become the focus of questions during an exam. The wording of any answer matters a great deal. The NCMEC online enticement resource describes how online enticement works and the tactics it often involves. Our police sting online solicitation of a minor guide explains how those investigations are built.

How Charges and Plea Discussions Relate to the Decision

Decisions made early in an investigation can matter later, during charging and negotiation. That is one reason to review each step with a lawyer.

A plea offer is a formal proposal from the prosecution. Its terms, and what each one would mean for you, should be reviewed with a lawyer before any response is given. Whether any offer fits your situation requires a review of the evidence.

Under Texas Code of Criminal Procedure art. 42A.101, except as provided by Article 42A.102(b), a judge may defer further proceedings after a guilty or nolo contendere plea and place the defendant on deferred adjudication community supervision; under Article 42A.102, eligibility is limited for certain offenses. Subsection (b) also sets further exclusions, including offenses under Penal Code Sections 21.02 and 21.03, Section 22.021 offenses punishable under subsection (f), and certain Section 19.02 offenses, subject to the exception stated there. The judge must first find that the evidence substantiates guilt and must believe that doing so serves society and the defendant. The plea offer in child sex crime cases guide covers how offers are evaluated.

Not sure what your next step is?

Talk it through with our team — the first consultation is free, confidential, and carries no obligation.

Take the Next Step Before You Answer the Question

Before you agree to an exam or answer investigators’ questions, talk with a lawyer about your facts. An accusation has been made, an exam has been requested, and the decision is in front of you now. You do not have to make it alone.

Barbieri Law Firm offers a free first consultation. It is confidential and carries no obligation to continue. You can call (972) 424-1902 or send case details through our contact page.

When you reach out, have the written notice, the date of any request, and the names of anyone who contacted you. Those details help a lawyer understand where things stand.

Heather Jean Barbieri, Board Certified, Criminal Law — Texas Board of Legal Specialization

Attorney responsible for this site: Heather Barbieri, Barbieri Law Firm, Frisco, Texas.

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Frequently Asked Questions

Do I have to take a polygraph test if I am accused of child sexual abuse in Texas?

Talk with a criminal defense lawyer before you agree to any test or interview.

Are polygraph results admissible in Texas criminal court?

Generally, no.

Can a polygraph still hurt my case even if the results are not used at trial?

Yes. Your statements during the test, and how investigators interpret the results, can shape the investigation and prosecutors’ charging decisions even if the results are never shown to a jury.

What should I do right after learning I am under investigation for a child sex crime in Texas?

Avoid discussing the accusation with police, the accuser, or others, and do not delete messages or contact the accuser. Heather Barbieri, a Frisco criminal defense lawyer, offers a free, confidential initial consultation with no obligation to continue, so you can get advice before making decisions.

Barbieri Law Firm, 17 Cowboys Way, Suite 175, Frisco, TX 75034. The information you obtain at this site is not, nor is it intended to be, legal advice. You should consult an attorney for advice regarding your individual situation. Contacting us does not create an attorney-client relationship. Results listed are not a guarantee or indication of future case results.

How We Approach a Polygraph Accusation

We Review the Accusation

We look at the allegation, the police report and the timeline so you understand what you are facing.

We Advise on Any Test or Interview

Before you agree to a polygraph or a recorded statement, we explain what the test can and cannot show and how it may be used.

We Explain Your Options

We will walk you through the choices available in your situation and what each could mean for you.

We Keep You Informed

Our team keeps you updated at every stage and answers your questions in plain language.

Important: Pause Before You Agree to Anything

Being asked to take a polygraph or give a statement can feel urgent. Speak with a criminal defense lawyer before you agree to a test, sit for an interview or sign anything.

Questions People Ask Us First

Do I have to take a polygraph?

Talk with a criminal defense lawyer before you agree to any test or interview. We will explain the issues in your case so you can decide with full information.

Can polygraph results be used in court?

The answer depends on the facts and the procedure in your case. Our team will explain how results and related evidence may be handled in your matter.

Can a polygraph still affect my case?

Even when results are not offered at trial, statements made during testing can shape how an investigation proceeds. We help you understand those risks early.

Where do I start?

Contact us for a free, confidential initial consultation with no obligation to continue. We will listen to what happened and tell you what we can do to help.

Facing a Child Sexual Abuse Accusation? Talk With Barbieri Law Firm Today

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