Falls Church Criminal Defense Lawyer

DUI & DWI Charges in Falls Church

DUI and DWI prosecutions in Falls Church require an aggressive and skilled response. A conviction can lead to loss of your driver’s license, job consequences, higher insurance rates, and jail time. Jon Katz defends people accused of drunk driving by challenging the stop, contesting field sobriety tests, attacking the breath or blood alcohol results, and questioning whether the arrest followed constitutional procedures.

As a member of the National College for DUI Defense and someone trained in the very same field sobriety test methods taught to law enforcement, Jon is deeply equipped to identify weak points in the government’s case. He is never afraid to take DUI cases to trial when a favorable resolution isn’t offered, and he never encourages clients to plead guilty just to "get it over with." In every DUI case, Jon is focused on fighting for acquittal or the best possible outcome.

Defending Drug Charges in Falls Church

Drug charges in Falls Church, from simple possession to distribution and trafficking, are aggressively prosecuted, and even a first-time conviction can have serious consequences. Jon Katz thoroughly investigates every case, from the constitutionality of the stop and search to the integrity of the drug testing procedures used by the lab. He examines whether the police followed lawful procedures and whether your rights were violated at any stage.

Jon challenges the chain of custody, the use of informants or drug-sniffing dogs, and whether the prosecution can even prove that you knowingly possessed or controlled the alleged substance. For over three decades, Jon has taken on the drug war with bold and principled defenses. He brings that same fire to every client he represents in Falls Church.

Assault and Violent Offense Defense in Falls Church

Being charged with assault, malicious wounding, or another violent offense in Falls Church can have devastating consequences, even before trial. In many cases, the wrong person is charged, or a mutual altercation gets unfairly portrayed by the police or complainant. Jon Katz listens to your version of what happened and prepares a tailored defense based on the facts, the evidence, and the reality of human conflict.

Whether you acted in self-defense, were misidentified, or are facing an exaggerated or fabricated allegation, Jon is ready to present your case with clarity and force. He works with you to identify your strongest legal defenses and prepares you thoroughly to testify or assert your rights at trial. He knows what’s at stake and treats every violent offense case with the care it deserves.

Firearms and Weapons Charges in Falls Church

Virginia has strict and often unforgiving laws when it comes to guns and weapons. Whether you’re charged with carrying a concealed weapon, being a felon in possession of a firearm, or possessing a firearm in connection with another alleged offense, Jon Katz defends your rights from the moment the case begins. He evaluates the legality of the search, whether the stop was constitutional, and whether the prosecution can truly prove possession.

With a strong foundation in Second Amendment litigation, Jon Katz frequently challenges unlawful searches and seizures. He does not allow law enforcement or prosecutors to cut corners when your liberty is on the line. If you’ve been charged with a gun or weapons offense in Falls Church, Jon will work relentlessly to weaken or defeat the case against you.

Defending Against Sex Offense and Rape Charges

Sex offense charges, whether for sexual battery, indecent exposure, child pornography, or rape, can upend your life even before trial. Jon Katz handles these cases with the discretion, seriousness, and preparation they demand. He reviews every piece of evidence, evaluates the credibility and consistency of the accuser, and brings in expert testimony when needed to counter forensic or psychological claims.

Whether you're being falsely accused or are in need of a strong mitigation strategy, Jon does not shy away from difficult or sensitive cases. He stands with his clients through the storm and works tirelessly to limit or eliminate the harm of prosecution. When sex crime allegations come out of Falls Church or nearby jurisdictions, Jon is ready to push back hard.

Homicide Defense in Falls Church

A homicide charge, whether murder or manslaughter, requires immediate and sophisticated legal defense. These are the most serious charges a person can face, and the risk of conviction can mean life-altering consequences. Jon Katz prepares these cases with intensity and focus, combing through autopsy results, forensic findings, witness statements, and police reports to expose every possible weakness in the prosecution's case.

He works to suppress inflammatory or unreliable evidence and to prevent his clients from being scapegoated or misrepresented in the courtroom. When facing a homicide charge in Falls Church, you need a defense lawyer who will not flinch. Jon Katz is that lawyer.