Former Chief Felony Prosecutor Client Focused. Trial Ready. With the high stakes involved with any criminal charge, you need an experienced criminal trial attorney by your side. Attorney Shannon Drehner brings her years of experience as a chief felony prosecutor to defend you when you need it most. Don't wait, contact us today.

We Get Results

Recent Case Victories

Choose an Attorney With a Proven Track Record

  • Case Dismissed “Responsible” Finding of Title IX Sexual Assault Violation reversed-No Sanctions
  • Case Dismissed Aggravated Assault
  • Case Dismissed Aggravated Assault
  • Case Dismissed Aggravated Assault
  • Case Dismissed Aggravated Assault
  • Case Dismissed Aggravated Assault

Houston Criminal Defense Attorney

Ready to Protect Your Rights, Reputation & Future in Harris County, Texas

At Drehner Law, our Houston criminal defense attorney recognizes the life-altering effects of a conviction. That is why we are ready to do what is legally necessary to seek favorable outcomes for those accused of crimes in Texas. Whether you are under investigation for or have been charged with an offense, our Houston defense attorney is prepared to jump into action right away.

Throughout our years of practice, our Houston criminal attorney has handled a range of difficult criminal cases – from misdemeanors to felonies and state crimes to federal crimes. Our priority is to protect your rights and best interests and fight relentlessly for you throughout your case. By getting to know you, the circumstances leading to your arrest, and all pertinent facts about our situation, our Houston criminal defense attorney can develop a powerful strategy tailored for your specific needs. We recognize that every case is unique, which is why we deliver personalized representation and dedicate the time necessary to each matter we handle. Our criminal lawyer in Houston, TX is here to provide an honest evaluation of your case and have a straightforward discussion about your legal options during a free consultation. We want you to be well-informed about the avenues we can explore and the direction your case may take.


To schedule a free initial consultation, call us at (832) 558-7798 or contact us online today.

Often, the criminal justice system can seem stacked against the accused, with law enforcement officials and prosecutors working hard to build a case against the defendant. When you turn to Drehner Law for legal representation in Houston, we will stand proudly by your side, zealously advocating on your behalf. We have seen how false accusations or the work of overzealous law enforcement officials can lead to convictions of innocent people. That is why we delve deeply into the facts of the case, analyze the evidence, and research relevant case law. Our Houston criminal defense lawyer works hard to prevent wrongful convictions and seeks to mitigate the penalties that can befall a person.

At Drehner Law, we provide comprehensive criminal defense in Houston. Attorney Shannon Drehner served as a felony chief prosecutor with Harris County District Attorney's Office. There she was responsible for investigating and prosecuting defendants throughout Harris County, Texas. She tried more than 80 jury trials in a range of criminal matters. Now, as a Houston criminal defense lawyer, she brings her unique experience on the other side of the courtroom to every case she handles. Recognizing how the prosecution prepares for and presents cases to prove guilt beyond a reasonable doubt, she can build defenses focused on countering the prosecutor's tactics and arguments.

Houston Sex Crimes Attorney

The Texas Penal Code enumerates several different types of conduct considered sex crimes. These include, but are not limited to, public lewdness, indecent exposure, child sexual assault, child pornography, and sexual assault. A sex crime accusation alone can profoundly affect a person’s life, and, because most of these offenses are felonies, a conviction can lead to decades to life in prison and thousands of dollars in fines. Recognizing the seriousness of these kinds of charges, our Houston sex crimes attorney attends to every detail of these cases to seek the best possible results for our clients.

Houston Domestic Violence Attorney

In Houston, domestic violence involves assault against family or household members. Also referred to as family violence, these matters can be charged as misdemeanors or felonies, and a conviction can lead to high fines and lengthy incarceration. Our Houston domestic violence attorney is ready to deliver the legal representation you need to fight your charge. As a former prosecutor, she has experience working in the Family Criminal Law Division and has an in-depth understanding of the way prosecutors prepare for domestic violence cases.

Houston Expungement Attorney

If you have an arrest or conviction on your criminal record, you could face many hurdles. For instance, you could have trouble finding a job, getting a place to live, or obtaining credit. Fortunately, Texas offers a couple of legal vehicles to help individuals clear their criminal history from their records: expunction or order of non-disclosure. The option you may be able to pursue depends on your circumstances. At Drehner Law, our Houston expungement lawyer will review the expungement eligibility criteria with you and guide you through the process. We believe people deserve a second chance, and we will work hard to seek yours.

Houston Drug Lawyer

Drug crimes in Houston include possession, possession with intent to distribute, sale and distribution, trafficking, manufacture and cultivation, and unlawful possession of a prescription drug. Each of these offenses is serious, and the level of charges ranges from misdemeanors to felonies. Depending on the situation, there are ways to beat charges, such as challenging the basis for the police stop or questioning the legality of a search and seizure. Aggressively and strategically fighting the accusations against you requires the help of a skilled lawyer. Our Houston drug lawyer is a former prosecutor who has handled hundreds of drug cases. We are ready to defend you against any controlled substance charge.

Title IX Attorney

Title IXis a federal law prohibiting sex-based discrimination in educational institutions receiving federal funding. When a college or university receives a sexual harassment or assault complaint, it must take immediate action to investigate and remedy the situation. Title IX cases follow different processes than criminal cases, and the standard of proof is much lower in the former than in the latter. If the school finds that the allegations are true, the alleged offender may face a range of sanctions, including, but not limited to, academic probation, suspension, or expulsion. Because a Title IX case can affect your personal, educational, and professional future, it is vital that you have a Houston criminal lawyer on your side throughout the process. At Drehner Law, we defend students accused of sexual misconduct.

Texas Federal Criminal Defense Lawyer

Federal crimes violate federal statutes, occur on federal property, cross state lines, or involve federal officers. The U.S. government has substantial resources to investigate these matters, and agents from agencies such as the FBI, IRS, and DEA will be relentless in building a case against a suspect. If you are being investigated or have been charged with a federal crime in Houston, reach out to our Texas federal defense lawyer as soon as possible. Effectively preparing for these matters takes a considerable amount of time, and we want to ensure that we leave no stone unturned as we fight aggressively for you. Our defense attorney handles an array of federal crimes, including, but not limited to kidnapping, smuggling, wire fraud, cybercrime, drug trafficking, and money laundering. Reach out to us today to get started on your case.

Why Hire Drehner Law?

3 Reasons:

    According to a recent Houston Chronicle article, prosecutors are “overburdened and overworked.” One of the consequences of this phenomenon is that prosecutors simply do not have the time to adequately evaluate their cases before trial. The tragedy is oftentimes people charged with crimes have their cases pending for months or years before it is properly evaluated. Shannon has the experience to investigate your case fully and give you an accurate and thorough assessment of your case.


    Having experience on both sides of the courtroom provides a unique perspective of the legal landscape and the inner workings of the legal system. The legal system is often a terrifying and intimidating experience if you stand charged with a crime. Having been on both sides of the courtroom, Shannon provides a unique strength that you need in your legal fight. Call us today to discuss your case.

    As a chief in the organized crime division, Shannon investigated and prosecuted criminals and criminal organizations involved in the commission of violent capital murders, armed robberies, id theft, burglary and theft rings across Harris County. She was also assigned as a chief felony prosecutor to the trial bureau, where she supervised junior prosecutors and managed a docket of 1000 felony cases from capital murders to drug possession.

Contact Drehner Law Today!

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