Criminal Defense
MARK A. PEREZ, ATTORNEY AT LAW
Put A Dedicated Dallas Criminal Defense Lawyer On Your Side Today
Dallas is one of the largest cities in Texas, with a population of over a million people and a fast-paced court system. The city is served by the Dallas County Criminal Courts, located in downtown Dallas, where thousands of criminal cases are heard each year. Law enforcement is handled by agencies like the Dallas Police Department and Dallas County Sheriff’s Office, both of which are active in drug arrests, DWI enforcement, and violent crime investigations.
Being arrested in Dallas can feel overwhelming. This is why having an experienced Dallas criminal lawyer like Mark A. Perez by your side is so important. A strong defense can make the difference between a conviction and protecting your future.
At the Law Office of Mark A. Perez, we provide dedicated Dallas Texas criminal defense representation for a wide range of charges.
Table of Contents
PROTECTING YOUR FUTURE AND YOUR LIBERTY
If you're facing criminal charges, don't gamble with your future. Call me today.
Mark A. Perez Dallas Criminal Lawyer Services
Drug Crimes
Drug-related arrests are common in Dallas, especially with the city’s proximity to major highways like I-35 and I-20. These routes are often monitored for drug trafficking.
At the Law Office of Mark A. Perez, we defend clients accused of possession, delivery, and intent to distribute.
We carefully review police stops, searches, and lab reports to protect your rights in court.
Manufacturing, Delivery, and Possession with Intent
Dallas County prosecutes manufacturing and delivery cases aggressively. Convictions can lead to long prison sentences.

DWI Defense
Dallas police frequently run DWI checkpoints across the city, especially near Uptown, Deep Ellum, and major freeways. A DWI conviction can affect your license, your job, and your freedom.
Expungements
A criminal record in Dallas can affect job applications, housing, and even education. I help clients clear their records through expungements whenever possible, giving them a true fresh start.
Federal Criminal Defense
Dallas is home to the Northern District of Texas Federal Court, located downtown. Federal charges are prosecuted by U.S. Attorneys and can involve major investigations. I will provide defense in serious federal cases, from drug conspiracies to white collar crimes, and fights against the government’s extensive resources.
These cases carry severe penalties and life-changing consequences. I understand the sensitivity of these charges and defends clients with determination while protecting their constitutional rights.
Federal conspiracy cases often involve wiretaps and large-scale investigations. I will carefully examine the government’s case and challenges assumptions to protect clients from unfair convictions.
Don't Wait. Call Us Today!
Immigration Consequences of Criminal Charges
Dallas has a large immigrant population, and criminal charges can put immigration status at risk. I work with clients to minimize deportation risks while defending against the criminal charges themselves.
Parole Hearings
Securing parole requires preparation and strong advocacy. I represent clients at parole hearings, presenting evidence of rehabilitation and fighting for earlier release.
Petition for Non-Disclosure
If a record cannot be expunged, sealing it from public view may still be possible. I help clients petition for non-disclosure, so past mistakes do not limit future opportunities.

Probation Revocation
Violating probation terms in Dallas County can lead to serious consequences. I defend clients accused of probation violations and works to keep them in the community instead of jail.
Sex Crimes
Sex crime charges in Dallas carry harsh penalties and lasting consequences. You need a strong, Dallas, Texas criminal defense lawyer who has experience in these types of cases. I provide discreet and aggressive defense in these cases, ensuring his clients’ rights are protected.
I challenge evidence, witness credibility, and the state’s case in sexual assault trials.
I defend these highly sensitive cases with diligence and respect, protecting clients’ rights at every stage.
Indecency With or Injury to a Child
I carefully review testimony, forensic interviews, and reports to build a defense in these difficult cases.
Dallas has specialized police units for online investigations. I defend clients accused of internet sex crimes, ensuring digital evidence is properly examined and rights are upheld.
Theft Criminal Defense
From shoplifting to major property crimes, theft charges in Dallas can have serious penalties. I work to reduce charges, negotiate alternatives, and protect clients from lasting consequences.
Violent Crimes - Dallas Criminal Lawyer
Dallas law enforcement frequently makes arrests for violent crimes, often leading to aggressive prosecution. I defend clients charged with assault, domestic violence, and other violent crimes, making sure their side of the story is heard.
White Collar Crimes
Dallas is a hub for business, banking, and healthcare, making white collar investigations common. I defend clients accused of fraud, embezzlement, and other financial crimes with a focus on protecting careers and reputations.
Mortgage, Bank, and Wire Fraud
I analyze financial records and government claims to defend against fraud allegations.
Dallas hospitals and clinics are often targeted in healthcare fraud investigations. I represent medical professionals and others accused of fraud in these cases.
Speak to a Dallas Criminal Lawyer Today
If you or a loved one is facing criminal charges in Dallas, the stakes are high. The courts move quickly, and you need a criminal defense lawyer who knows the local system and the law.
I have years of experience representing clients in Dallas, Texas criminal defense cases. I fight to protect your freedom, your record, and your future. Call me for a consultation at (214) 752-0505 or schedule an appointment online.
