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Specialties
Our Practice
The Hammer Law Firm places an emphasis on complex criminal charges, including federal criminal charges, white collar crimes, violent crimes, felony drug charges, gang-related crimes, weapons offenses and sex crimes. We also offer experienced representation on behalf of clients charged with a DUI/DWI, theft, domestic violence or drug possession charges.
Our Experience
Prior to becoming a criminal defense lawyer, founding attorney, Mark A. Hammer, spent more than 13 years as a prosecutor, and taught trial advocacy and criminal procedure to police and prosecutors from Seattle to South Carolina. Mr. Hammer’s experience as a prosecutor provides each client we serve with a decided advantage when it comes to presenting a criminal defense in state or federal courts. Knowing how law enforcement officers and prosecutors assemble their case and understanding their motivations can be vital if it is necessary to negotiate a plea or push for a full jury trial.
History
Established in 2009.
As an attorney with over 20 years of experience, including 13 years as a prosecutor and more than a hundred criminal trials to his credit, our firm’s founding attorney Mark A. Hammer has seen the criminal justice system from both sides. He understands the strategies that police and prosecutors use to build their cases and is familiar with the options that can help you avoid a conviction.
Meet the Business Owner
Mark H.
Business Owner
An Experienced Defense Attorney and Former Prosecutor
Mark A. Hammer is an accomplished criminal law attorney who can provide the experienced representation you need if you have been charged with a state or federal crime in the state of Missouri.
As a former prosecutor and a seasoned trial lawyer, Mr. Hammer has personally handled more than a hundred criminal trials and is known for his attention to detail, meticulous trial preparation and passionate advocacy.
Mark A. Hammer has been a licensed attorney for more than 25 years and is licensed to practice in Missouri, Illinois, Minnesota, California, Washington and the U.S. Court of Appeals for the 8th Circuit. Attorney Hammer has served as faculty member at the National Advocacy Center in South Carolina, and adjunct professor of Criminal Trial Advocacy at Saint Louis University School of Law and the William Mitchell School of Law in Minnesota.