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San Antonio Criminal Investigation Attorney

Under Investigation? Don’t Wait to Be Charged—Start Defending Yourself Now

If you are under criminal investigation in San Antonio or anywhere in Bexar County, the situation can escalate quickly. Investigations may involve local law enforcement agencies or federal authorities, and what you do in the early stages can significantly affect the outcome of your case.

If law enforcement or federal agents are asking questions, showing up at your home, or calling your employer, you are already under investigation. At Christian, Nisbet & Casillas, we don’t wait for charges to be filed—we intervene early to protect your rights, control the narrative, and influence outcomes before the case reaches a courtroom.

Early Defense in All Types of Criminal Investigations

We represent clients during pre-charge investigations related to:

  • Drug offenses and trafficking

  • White collar and financial crimes

  • Federal conspiracy and RICO investigations

  • Sexual assault and sex crime accusations

  • Assault and violent crimes

  • Police misconduct and internal affairs investigations

  • Title IX or campus sexual misconduct claims

  • Professional licensing board reviews or complaints

Whether the investigation is local, state, or federal, your best chance at avoiding charges is getting experienced counsel involved immediately.

OUR APPROACH

Quiet, Strategic Intervention

The right legal action in the early stages can change everything. We:

  • Communicate directly with law enforcement, prosecutors, or internal affairs

  • Shield you from self-incrimination or accidental missteps

  • Advise on interviews, subpoenas, and warrants

  • Preserve favorable evidence and uncover weaknesses in the case

  • Engage expert consultants and investigators when needed

  • Work behind the scenes to prevent indictment or arrest

Our goal: resolve the matter discreetly before it goes public or becomes criminal.

Why Early Legal Defense Matters

Too often, people cooperate fully—without understanding what’s already happening behind the scenes:

  • Investigators may already be building a case

  • Anything you say can be twisted and used against you

  • Delays give the other side control over the narrative

If you're being investigated for sexual assault or you're a law enforcement officer facing internal review, the consequences go beyond legal. Reputations, careers, and relationships are on the line. We understand the stakes—and we know how to respond.

WHY CHOOSE CHRISTIAN, NISBET & CASILLAS

Why Clients Trust Us

David Christian and Thom Nisbet walking while discussing a criminal investigation case.
  • Experienced in handling sensitive, high-profile investigations

  • Trusted by law enforcement, professionals, and public figures

  • Deep knowledge of pre-indictment strategy and grand jury procedure

  • Direct attorney access—your case is never passed off

  • Absolute discretion and courtroom-ready if needed

We don’t react. We plan, act, and protect—immediately.

Investigations News & Insights

  • What is a pre-charge investigation?

    A pre-charge investigation is the phase when law enforcement is gathering evidence but has not yet filed formal charges. You may be under surveillance, questioned, or contacted by investigators. This is a critical window to protect yourself—before you’re arrested.

    Why would I be under investigation if I haven’t done anything wrong?

    You could be named in someone else’s statement, connected to a location, or falsely accused. Police and federal agents often cast a wide net. Innocent people become suspects simply by association. Having a lawyer step in early can stop bad cases from becoming worse.

    What are signs that I’m under investigation?

    • You’ve been contacted by law enforcement or a federal agent

    • You’ve received a target letter or subpoena

    • Friends, coworkers, or family members are being questioned about you

    • Your home or business has been searched

    • You’ve been asked to “come in and talk”

    Any of these is a red flag. Call us before saying anything.

    Should I talk to the police or investigators if I have nothing to hide?

    No. Even if you’re innocent, anything you say can be misinterpreted or used against you. Investigators are trained to get statements that fit their case. Always speak with a criminal defense attorney first.

    Can hiring a lawyer make me look guilty?

    No. It makes you smart. Prosecutors and judges know that informed people retain counsel—especially in serious matters. Having a lawyer shows you take the situation seriously and want to protect your rights.

    What kinds of cases involve pre-charge investigations?

    We help clients during early investigations for:

    • Drug trafficking or possession

    • White collar and financial crimes

    • Sex crime allegations

    • Assault or domestic violence

    • Federal conspiracy or RICO cases

    • Police misconduct investigations

    • Title IX or campus misconduct allegations

    • Professional licensing board complaints

    Can charges be avoided if I act early?

    Yes. In many cases, we’ve prevented charges from ever being filed. By intervening early—presenting evidence, offering an alibi, or identifying flaws in the investigation—we can often steer the case away from arrest or indictment.

    What should I do if I get a target letter or subpoena?

    Don’t panic—but don’t ignore it. A target letter means the government believes you committed a crime. A subpoena may require you to provide documents or testify. Call us immediately so we can respond strategically.

    How can early legal intervention help me?

    • Prevents misstatements to police

    • Protects your rights during questioning

    • May stop charges from being filed

    • Preserves evidence in your favor

    • Positions you for a stronger defense if charges come later

    How does Christian, Nisbet & Casillas handle pre-charge cases?

    We act fast, working behind the scenes to manage contact with investigators, assert your rights, and shape the narrative before it’s too late. In many cases, our clients never see the inside of a courtroom.

    Under investigation? Don’t wait until you’re charged.

    Call Christian, Nisbet & Casillas now for a confidential consultation before the case gets out of your hands.
    📞 210-224-5010 | 📍San Antonio, TX | ✉️ [Contact Us]

  • What types of criminal cases does Christian, Nisbet & Casillas handle?

    We defend clients in a wide range of criminal cases throughout San Antonio and the surrounding areas, including DWI, drug possession, assault, family violence, theft, sex crimes, white collar crimes, and federal charges.

    Do I need a lawyer if I’m innocent?

    Yes. Even if you’re innocent, you still need a skilled criminal defense attorney to protect your rights, challenge the prosecution’s case, and ensure you're treated fairly throughout the process.

    What should I do after getting arrested in Texas?

    Stay calm, exercise your right to remain silent, and request an attorney immediately. Avoid speaking to law enforcement until you’ve consulted with a lawyer.

    How much does a criminal defense lawyer cost in San Antonio?

    Legal fees vary depending on the complexity of the case. We offer a free consultation to review your charges and discuss the most effective path forward.

    Can I beat my DWI charge in Texas?

    Yes—many DWI cases have legal or procedural weaknesses. Our attorneys review every detail, from the traffic stop to breath and blood test procedures, to build a strong defense.

    Will a criminal conviction stay on my record forever?

    Some charges may be eligible for expungement or nondisclosure under Texas law. We’ll evaluate your record and determine if you qualify for relief.

    How long does a criminal case take in Bexar County?

    Timelines vary, but most cases move through several stages including arraignment, pretrial motions, and possibly trial. We guide you through each step and keep you informed.

    Do you offer free consultations?

    Yes. Your first consultation is free. We’ll review your case, answer your questions, and explain your legal options.

    What makes C&N different from other law firms?

    We combine deep courtroom experience with personal, aggressive representation. Every case is handled with the urgency, respect, and attention it deserves—because your freedom is on the line.

    How can I contact your firm?

    Call us directly or fill out the form on our website for a confidential case review. We’re available 24/7 to support clients facing serious criminal charges.

    📞 210-224-5010 | 📍San Antonio, TX | ✉️ [Contact Us]

Explore Our Practice Areas

Your Defense Starts Before You're Charged

If you're under investigation, don’t wait to be arrested or indicted. You have the right to protect yourself—use it.

Schedule a confidential consultation with Christian, Nisbet & Casillas now.