By Austin Nelson, Criminal Defense Attorney | Law Office of Austin Nelson, Marietta, Georgia
Before any criminal trial in Cobb County, both sides have to show their cards. It’s called “discovery,” and it’s one of the most important, and least talked about, parts of a criminal case. Here’s what the State has to hand over, why it matters, and the deadline your lawyer is racing against to make sure it happens.
What “Discovery” Actually Means
Discovery is simply the exchange of evidence between the prosecution and the defense. In Georgia, once your attorney files what’s called a discovery demand, the State is required to turn over the evidence it plans to use against you.
Think of it like this: discovery is how both sides find out what cards the other one is holding, well before anyone walks into a courtroom. It’s not a favor the prosecutor does for you. It’s a right, and it exists so that trials are decided on facts, not surprises.
Before Trial: Building the Full Picture
This is where most of the real work happens, often months before a trial date is ever set. During this stage, your attorney is gathering and reviewing everything the State has, which can include:
Police reports. The official narrative of what officers say happened, including their observations and any statements you made.
Body camera and dash camera footage. In DUI stops and traffic cases especially, this footage often tells a very different story than the report alone.
Witness statements. Anything alleged victims or witnesses told police.
Physical and forensic evidence. Lab results, breath or blood test results in DUI cases, photographs, and any items collected as evidence.
911 calls and dispatch records.
Your attorney reviews all of it looking for inconsistencies, procedural mistakes, or constitutional issues, things like whether a stop or search was lawful, whether you were properly advised of your rights, or whether the evidence was collected and handled correctly. This is also when your attorney may file motions asking the court to suppress evidence that was obtained improperly.
This stage matters because it shapes everything that comes after. A strong discovery review can lead to reduced charges, a dismissal, or a much stronger negotiating position, long before a jury is ever involved.
During Trial: Discovery Doesn’t Just Stop
A lot of people assume discovery ends once a trial date is set. It doesn’t. Georgia law requires ongoing disclosure, meaning if the State finds new evidence, or if a witness’s account changes, that information generally has to be turned over as it comes up, even mid-trial.
At trial itself, discovery is what allows your attorney to know in advance which witnesses the State will call and what evidence will be introduced. That preparation is what makes effective cross-examination possible. Your attorney isn’t hearing the State’s evidence for the first time in front of a jury. It’s been reviewed, tested, and prepared for weeks or months already.
After Trial: Why It Still Matters
Even after a trial concludes, discovery can matter. If evidence surfaces that wasn’t properly disclosed before or during trial, it can become the basis for post-trial motions or, in some cases, an appeal. It’s part of why keeping careful records throughout the discovery process is so important. It protects your rights not just going into trial, but afterward too.
The Deadline Your Lawyer Is Racing Against
Here’s the part most people never hear about: discovery in Georgia runs on the clock, and it’s a two-way street. Once your attorney files a discovery demand, the State generally has 10 days before trial to turn over its evidence, but that deadline only kicks in because your attorney triggered it.
Miss that deadline, or fail to file the demand at all, and evidence the State should have disclosed can end up excluded from trial, or your attorney loses the chance to properly prepare a defense around it. On the flip side, filing a discovery demand also obligates the defense to reciprocate certain disclosures back to the State. It’s a two-way exchange, and both sides have real deadlines to meet.
This is one of those behind-the-scenes deadlines that has nothing to do with guilt or innocence, and everything to do with whether your case is being handled correctly. It’s also exactly why hiring an attorney early matters. A missed filing window can quietly close doors before you ever set foot in a courtroom.
Why This Process Protects You
Discovery can feel like a lot of procedural back-and-forth, but its purpose is simple: it keeps the process honest. You have a right to know the evidence against you, and your attorney has a duty to examine every piece of it. In many cases, this careful review is exactly where a case gets resolved favorably, well before a courtroom is ever involved.
Talk to a Criminal Defense Attorney in Cobb County
If you’re facing charges in Marietta, Cobb County State Court, or Cobb County Superior Court, understanding what evidence exists against you is the first step in building your defense.
I offer free consultations and I’m here to help you understand what happened and what your options are.
Call or text: 404.904.6704 Website: www.austinnelsonlaw.com
Questions about the evidence in your case? A Marietta criminal defense attorney can review it with you. Request a free case evaluation.
This post is for general informational purposes only and is not legal advice. Reading it does not create an attorney-client relationship. If you have questions about your specific situation, please consult a licensed attorney. Austin Nelson is licensed to practice law in the state of Georgia.
