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St. Louis Criminal Defense Lawyer

A Diverse and Dynamic Criminal Defense Practice

At The Hammer Law Firm, we offer creative solutions for adults and juvenile clients facing criminal charges throughout the state of Missouri. Rather than simply accepting the prosecutor's first plea agreement, we will explore options to help you avoid the criminal justice system altogether.

As a former prosecutor, St. Louis criminal law attorney Mark A. Hammer understands both sides of the criminal justice system and will personally work with you throughout every step of your case. We offer a free initial consultation where we can discuss the many options that you may have available to you in lieu of a plea agreement or trial, including drug court, alternative sentencing, diversion programs, treatment and community service.

Contact us for assistance with these and other criminal law matters:

Contact a Columbia Criminal Defense Attorney Representing Clients Throughout Missouri

To speak with a criminal defense lawyer at our firm, call 314-266-7821, or contact us online.

The choice of a lawyer is an important decision and should not be based solely upon advertisements. This disclosure is required by rule of the Supreme Court of Missouri.

Criminal Defense Overview

The Hammer Law Firm

The Hammer Law Firm, LLC
7710 Carondelet Suite 200
St. Louis Area, MO 63105
Phone: 314-266-7821
Toll Free: 888-848-3565
Fax: 314-725-8443
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  • Could acid reflux skew DWI tests?

    On behalf of The Hammer Law Firm, LLC posted in DWI/DUI on February 06, 2012.

    When law enforcement and court officials are investigating and prosecuting drunk driving offenses, they often rely heavily on breath and blood tests as evidence of the defendant's alleged wrongdoing. But as with all technology, these tests can make mistakes, and...

  • Argument leads to assault, car theft in St. Louis

    On behalf of The Hammer Law Firm, LLC posted in Assault on February 03, 2012.

    Often, when we hear about a crime on the news or read about one in the paper, it is a major incident involving one or more people in dire situations. What we don't often realize is that criminal offenses can...

  • 'Barefoot Bandit' sentenced for theft crimes

    On behalf of The Hammer Law Firm, LLC posted in Criminal Defense on February 01, 2012.

    The 20-year-old man known as the "Barefoot Bandit" has been sentenced to more than six years in a federal prison, which will be served concurrently with the seven-year sentence he received from a state court judge last month. According to...

  • Missouri police need warrant before testing blood of DWI suspect

    On behalf of The Hammer Law Firm, LLC posted in DWI/DUI on January 28, 2012.

    Last week, the Missouri Supreme Court handed down a ruling that will make it more difficult for police officers to gather blood-alcohol data on drunk driving suspects. Under the high court's verdict, Missouri police officers will be required to obtain...

  • Supreme Court bars GPS tracking without a warrant

    On behalf of The Hammer Law Firm, LLC posted in Criminal Defense on January 24, 2012.

    In a landmark ruling, the Supreme Court of the United States has ruled that police officers must get a search warrant before using a GPS device to track criminal suspects. Analysts believe that the ruling may be the first of...

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