Criminal law and DUI Defense

We have over 50 years of experience handling all criminal cases

Cobb County Criminal Defense Attorneys

The Cobb County, Georgia criminal defense and DUI attorneys at Gentry, Smith, Dettmering, Morgan, Schnatmeier & Collins, LLP draw on more than 50 years of collective legal experience. Our criminal defense lawyers and DUI defense lawyers represent clients in Cobb County, Cherokee County, Paulding County, Douglas County, Bartow County, Fulton County, and throughout Georgia.

Our attorneys have extensive courtroom experience handling all criminal matters including DUITraffic Violations/Speeding TicketsDriver’s License Issues and Teenage DriversDrug CrimesDomestic Violence/Assault and BatteryJuvenile CrimesProbation RevocationsShoplifting and Theft, and White-Collar Crimes, and all serious criminal cases. When looking for an attorney to help you, experience matters. Our criminal defense attorneys and DUI defense attorneys have the experience needed to assist you with your case.

As former prosecutors, we fully understand the criminal justice system and have earned the respect of judges and other lawyers. Because we have formerly worked on the prosecution side, we are better able to represent our clients due to our knowledge of how prosecutors evaluate and handle their case. We are known for our commitment to service and dedication to professional standards.

For each client, we conduct a thorough investigation of his/her case, work to secure bond, file all appropriate motions and prepare each case for trial. We aim to keep each client fully informed of all viable options and of the status of his/her case. The Marietta criminal attorneys at Gentry, Smith, Dettmering, Morgan, Schnatmeier & Collins, LLP are proud to provide exemplary representation for a wide range of criminal law practice areas including:


Traffic Violations/Speeding Tickets/Driver’s License Issues and Teenage Drivers

Drug Crimes

Domestic Violence/Assault and Batter

Juvenile Crimes

Probation Revocations

Shoplifting and Theft

White-collar crimes

Contact Us Today For Your FREE Case Evaluation

(770) 771-5097


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Prior to joining the firm, Partner Ben F. Smith served Cobb County as Solicitor General and later as the District Attorney. First elected to office in 1993, Ben served as the county’s top prosecutor until 1998. Ben brings a vast amount of criminal law experience with him each time he represents a client in court.


Partner John S. Morgan gained his trial experience as an Assistant Solicitor General in Cobb County. While serving as a prosecutor, John was asked to teach police officers various aspects of criminal law at the police academy. Specializing in DUI law, John has successfully handled thousands of DUI cases. John also serves as an Associate Judge in Marietta, Powder Springs, Woodstock, and as a Judge Pro Hac Vice in the State Court of Cobb County.

Marietta Criminal Defense & Personal Injury Attorney

Partner Robert F. Schnatmeier, Jr. also has his roots in criminal prosecution. Rob has worked as an Assistant Solicitor General and as an Assistant District Attorney, trying all types of criminal cases. As an instructor at the police academy, Rob taught police recruits DUI investigative techniques as well as other criminal law and procedure. In addition, he was elected by his peers to serve as President of the Cobb County Bar Association Criminal Law Section. Rob has also taught criminal law and procedure at North Georgia Technical College for several years and served as a Judge Pro Hac Vice in the State Court of Cobb County.