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Traffic detective: airbag control module shows Mazda near 60 mph before crash, 42 mph at impact
Summary
Detective Brad Armstrong testified ACM data from the Mazda (Unit 1) recorded about 60 mph five seconds before deployment and roughly 42 mph at the moment the module recorded impact; he said brakes were applied and that the defense could not obtain ACM data from Unit 2.
Detective Brad Armstrong of the San Antonio Police Department's Traffic Investigation Detail testified that vehicle data downloaded from the Mazda involved in the Oct. 13, 2023 collision showed speeds considerably above the posted 45 mph limit in the seconds before the crash.
Armstrong said the airbag control module (ACM) records a short pre-impact window and that the Mazda’s ACM showed roughly 60 miles per hour five seconds before the recorded event and…
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