Bronco Steering-Wheel Blood Swatch, LAPD Item 29 / Cellmark 19
Blood swatch or stain from the Bronco steering wheel, also described in one source as from the steering column, designated LAPD or People’s item 29 and Cellmark number 19. Sources discussed its transfer and mixed-DNA testing, including reported DQ-Alpha alleles 1.1, 1.2, and 4; testimony, questioning, and advocacy offered differing or disputed interpretations of contributors, exclusions, allele masking, and statistical significance.
Exhibit labels
How this item was marked across the four trials. The same physical item often gets different numbers in the criminal and civil trials.
LAPD crime-scene record
This canonical item is backed by a hand-curated LAPD collection record. The LAPD description is verbatim from the department's crime-scene log.
Source proceedings (22)
Every proceeding where this item was discussed. Click through to the transcript.
Criminal trial (18)
- Day 6 Opening statement — Johnnie Cochran (part 5)
- Day 71 Motion: DNA mixture analysis
- Day 72 Direct examination of Dr. Robin Cotton (morning, part 2) witness: DR. COTTON
- Day 72 Direct examination of Dr. Robin Cotton (morning, part 3) witness: DR. COTTON
- Day 73 Cross-examination of Dr. Robin Cotton (part 2) witness: DR. COTTON
- Day 74 Cross-examination of Dr. Robin Cotton (part 1) witness: DR. COTTON
- Day 74 Cross-examination of Dr. Robin Cotton (part 2) witness: DR. COTTON
- Day 75 Direct examination of Gary Sims (part 2) witness: MR. SIMS
- Day 75 Direct examination of Gary Sims (part 5) witness: MR. SIMS
- Day 76 Direct examination of Gary Sims (morning, part 3) witness: MR. SIMS
- Day 86 Recross-examination of Gary Sims (part 2) witness: MR. SIMS
- Day 101 Direct examination of Dr. Bruce Weir (part 1) witness: DR. WEIR
- Day 101 Redirect examination of Dr. Bruce Weir (1 of 2) witness: DR. WEIR
- Day 101 Cross-examination of William Shields (part 1) witness: WILLIAM SHIELDS
- Day 103 Recross-examination of Dr. Bruce Weir witness: DR. WEIR
- Day 103 Cross-examination of Dr. Bruce Weir (afternoon, part 2) witness: DR. WEIR
- Day 153 Recross-examination of Gary Sims witness: MR. SIMS
- Day 163 Closing argument — Barry Scheck (part 3)