Durden v. State

369 S.E.2d 764, 187 Ga. App. 154, 1988 Ga. App. LEXIS 656
CourtCourt of Appeals of Georgia
DecidedApril 4, 1988
Docket75920
StatusPublished
Cited by22 cases

This text of 369 S.E.2d 764 (Durden v. State) is published on Counsel Stack Legal Research, covering Court of Appeals of Georgia primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Durden v. State, 369 S.E.2d 764, 187 Ga. App. 154, 1988 Ga. App. LEXIS 656 (Ga. Ct. App. 1988).

Opinion

Birdsong, Chief Judge.

This is an appeal of a conviction for two counts of driving under the influence in violation of OCGA § 40-6-391. The main ground of appeal involves expert testimony as to appellant’s blood and urine samples and the evidence of marijuana usage shown thereby. Held:

1. The trial court erred in admitting evidence of, and allowing the forensic expert to testify to, the presence of 180 to 200 nanograms of THC metabolites per milliliter of blood and urine sampled, and as to the degree, quantity, and effect of marijuana usage indicated or proved by these particular test results.

The appellant under OCGA § 17-7-211 duly requested copies of all written scientific reports which would be introduced into evidence. The State submitted to him a copy of a crime lab report which states, in pertinent part, simply: “Results: Immunoassay techniques indicate the presence of tetra-hydrocannabinol (marijuana) and/or metabolites in the blood specimen. Immunoassay techniques indicate the presence of tetra-hydrocannabinol (marijuana) and/or metabolites in the urine specimen.”

At trial, the forensic witness over objection was permitted to testify at length as to her test results not stated in the crime lab report, which were that appellant’s blood and urine samples contained approximately 180-200 nanograms of THC per milliliter. The prosecutor’s direct questions were put this way: “Q. What were the results of your tests? A. I found marijuana metabolites in the blood sample and the urine sample. Q. As part of the way you test samples and the way *155 that you indicate results, do you have a scale by which you quantify the amount of marijuana metabolites found in the system? A. Yes, sir. We can give a rough estimate. In order for us to issue a statement on the report that marijuana metabolites were found, there has to be at least 25 nanograms per milliliter present. We run a set of standards along with the blood samples. We run a blank. One spiked at 10 nanograms per mil, 25, 50, 100 and 250. Referring back to my notes on this case, this particular sample had between 100 and 250, approximately 200 mils. Q. Are you able to quantify that specifically? A. You know, my best guess would be approximately 200. 180 to 200 milligrams per mil. Q. Is that a significant amount? A. Yes, sir.”

The defense objected strenuously and stated it had no objection if the State were only to admit that THC metabolites were found, as stated in the crime lab report, but that the State should not be allowed to quantify that stated result by giving the expert testimony just described. The trial court allowed the evidence, because the expert testified that these test results were written only in her “working notes” and thus were never written in a report which would have been required to be submitted to the defendant.

Her direct examination continued: “Q. Ms. Callahan, I believe we were at the point where you were going to tell me the results of the tests that you performed on the blood and urine samples. A. Yes, sir. Marijuana metabolites were found in the blood specimen and the urine specimen. Q. Did you take steps to insure these results were accurate? A.Yes, sir. Q. What steps did you take? A. Any time we do marijuana testing we run a set of standards along with it. We run a blank blood, one that is spiked with 25 nanograms per milliliter, one that is spiked at 10 nanograms per milliliter, 50 nanograms per milliliter, 100 nanograms and 250 nanograms per milliliter. In order for us to issue a statement on a report, we feel there needs to be at least 25 nanograms per milliliter there . Q. You said that your . . . quantitative scale is from 25 nanograms per milliliter to 250 nanograms? A. Actually, zero to 250. Q. Was the sample, the blood sample of Mr. Durden’s quantified on this scale? A. Yes, sir. I went back and looked in my notes and there was approximately 180 to 200 nanograms per milliliter present.

“Q. Is that amount significant? A. Yes, sir. That indicates to us that there has been recent usage of marijuana, or that a person is a daily chronic abuser of marijuana. Q. You said it indicates recent usage. What type of time span are we looking at? A. Probably within the past three to five hours prior to obtaining the blood sample.

“Q. You have studied the effects that marijuana has on average individuals? A. Yes, sir. Q. What type of effect would this metabolite level, 180 to 200, have on the average person? A. Somebody who is under the influence of marijuana has very intense concentration. By *156 that I mean they may be focusing specifically on one aspect of their driving and neglect everything else. They may be looking for a particular road sign and not notice anything else. They may be listening to the radio and not be aware of anything else that is going on around them. Their tracking ability is diminished. By that I mean they can’t hold their car within the two lanes of the road very well. They do have muscular weakness. . . . Q. Based on your opinion as an . . . expert witness in this case, would you have an opinion as to whether there were physical manifestations? A. Yes, sir. . . . They would probably be very unsteady on their feet, their mind would tend to not be able to focus too clearly. Probably glassy-eyed. Q. Ms. Callahan, based on your experience and based on your training and any studies you may have had in the area of pharmacology and toxicology, would you have an opinion as to whether someone with this level of tetrahydrocannabinol, marijuana, whether that person would be under the influence of marijuana? A. Yes, sir. ... At that level of marijuana, in addition to the alcohol, with the two combined together would be much detrimental to someone’s driving ability.

“Q. Mr. Panter testified that the alcohol level was a .04, and you testified that the THC level was from 180 to 200. A. Approximately. Q. In your opinion and based on your experience and your training, would a person having that combination be under the influence to the extent that they were a less safe driver? A. Yes, sir. . . .

“Q. If a person is a chronic user of marijuana, would it be your opinion that they would have scored or scaled this high, on your scale from 180 to 200? A. ... It depends on how frequently they are using it. If they were just smoking one marijuana cigarette a day, I would not found [sic] it this high. Q. Even if a person is a chronic user, from your experience is there anything that this high level would indicate to you about recent usage, or could anything — A. He could be a chronic user and just recently have smoked it also. That could be a possibility, if that is what you are asking. Q. Is there anything that Mr. Akins has asked you that has changed your opinion whatsoever as to, given the manifestations that I mentioned before, and the blood alcohol level and the level of THC, is there anything that has changed your opinion as to whether Mr. Durden was under the influence to the extent he was a less safe driver? A. No, sir.”

We have cases holding that “OCGA § 17-7-211 requires the defendant be given a complete written copy of the results of any scientific test, but. . .

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Bluebook (online)
369 S.E.2d 764, 187 Ga. App. 154, 1988 Ga. App. LEXIS 656, Counsel Stack Legal Research, https://law.counselstack.com/opinion/durden-v-state-gactapp-1988.