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10 Texas opinions name it 2 courts 2006–2021 1 in the last five years
The cases below were cited by Texas courts in a sentence that names this issue. Sides come from how each citing opinion treated the case (Syfertize flag on that citation), so a case can appear on both: that is where the law is contested. A red or yellow chip is the case's own overall treatment.
| Case | Followed | Cited |
|---|---|---|
Mata v. Stategreen2 sentences2008Id. at 917 . 2008In Mata, the Court of Criminal Appeals concluded that “the science of retrograde extrapolation can be reliable in a given case,” but the expert must be able to “apply the science and explain it with clarity.” 46 S.W.3d at 916 . | 5 | 7 |
Bigon v. Stategreen2 sentences2008See id. at 915–16; see also Bigon , 252 S.W.3d at 368 . 2008See id. at 915-16 ; see also Bigon, 252 S.W.3d at 368 . | 2 | 2 |
Williams v. Stategreen1 sentence2021See Williams v. State, 525 S.W.3d 316 , 322–23 (Tex. App.—Houston [14th Dist.] 2017, pet. ref’d) (sufficient evidence of intoxication despite challenges to the blood testing). | 1 | 1 |
Runnels v. Stategreen1 sentence2016Runnels v. State, 193 S.W.3d 105, 107 (Tex.App. –Houston [1st Dist.] 2006, no pet.). 9 Retrograde Extrapolation Testimony was not a Prerequisite to Admission Dr. Johnson testified that he was unable to perform a retrograde extrapolation analysis that would have indicated the level of THC and alprazolam in Appellant’s blood at the time of the accident. | 1 | 1 |
Kevin DWayne Kennemur v. Stategreen1 sentence2014Kennemur, 280 S.W.3d at 316 (appellant’s blood-alcohol results taken hours after the accident are probative of appellant’s intoxication even in the absence of any retrograde extrapolation because, under an impairment theory, the State need not prove appellant’s exact blood alcohol content at the time of the accident). | 1 | 1 |
| Case | Negative | Cited |
|---|---|---|
| No negative-treatment citations attached to this issue in Texas. Read the followed side critically anyway. | ||
Counted by distinct opinions that both name this issue and are annotated to the section; sections every opinion cites regardless of issue are not filtered here, so read the counts against the total above.