📄 People's 576 — May 6, 1994 LAPD Hybridization Record
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People's 576 — May 6, 1994 LAPD Hybridization Record

One of two LAPD hybridization records for May 6, 1994, collectively reflecting runs by Erin Riley and Collin Yamauchi; introduced concerning Gerdes' claim that there was never more than one run per day.

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People's 576

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More in Lab Proficiency Quality Control

Cellmark 1988 CACLD Proficiency Test and Report
The 1988 California Association of Crime Laboratory Directors proficiency test involved 49 samples and one false positive. Testimony elicited that Cellmark generated the false positive through inadvertent cross-contamination and did not detect it; Defense 11…
Gerdes Chart — LAPD Run Contamination by Month
Chart showing the percentage of LAPD PCR runs with contamination by month from May 1993 through August 1994, used by Gerdes to document contamination patterns in the LAPD laboratory; Defense 1295.
Gerdes Chart — LAPD Runs and Strips May–July 1994
Chart showing the percentage of LAPD PCR runs and strips with contamination and/or artifacts from May through July 1994, with monthly bars approximating 33%, 31%, and 17%; Defense 1297.
Mock vaginal-swab validation typing code sheet
Code and typing sheet for a mock vaginal-swab validation exercise, referenced as Defense 1181-B and 2 14-6. It listed validation standards or individuals and expected typing results, including an expected sperm-donor DQ-Alpha genotype of 1.2, 1.3.
Plaintiffs' 2265 — Yamauchi June 14–15 Item-and-Control List
Plaintiffs' Exhibit 2265, a list or chart of evidence samples and controls processed by Collin Yamauchi on June 14 and 15, 1994. It was described as covering 42 samples and 21 controls, all testing negative; a closing-argument display characterized 18 entrie…
People's 566 — Hybridization Record 182 Photograph and Strips
People's 566, a photograph of DQ-Alpha hybridization record 182 with documentary material and strip images from eight non-case-work proficiency or validation samples run by Collin Yamauchi on May 6, 1994. Dr. John Gerdes marked disputed alleles and cited fai…
People's 567 — Hybridization Record 184 Photograph
People's 567, a photograph of DQ-Alpha hybridization record 184 from the May 6, 1994 non-case-work sample run. During testimony, disputed alleles were circled on samples 52-20 and 52-22, and the exhibit was viewed by the jurors through a projector.
LAPD PCR Validation Training Record
LAPD PCR method-validation training record stating that every validation sample either produced the expected typing result or produced no typing result; Defense 1181-A. Gerdes disputed that statement during testimony.
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🔬 People's 576 — May 6, 1994 LAPD Hybridization Record
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