🔍 EDTA chromatograms of rear gate stain Q204 (Defense 1260-A/B; Defendants' 1218/1219/2292)
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🔍 Physical in Bundy Rear Gate Blood

EDTA chromatograms of rear gate stain Q204 (Defense 1260-A/B; Defendants' 1218/1219/2292)

FBI chromatograms of rear-gate stain Q204 included Run No. 4084 (Defense 1260-A / Defendants' 1218) and Run No. 4049 (Defense 1260-B / Defendants' 1219), which Dr. Fredric Rieders presented as positive for EDTA. A third repeat test, Defendants' 2292, was negative, and later testimony disputed whether the testing graphs showed a full or partial daughter spectrum.

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.

Defendants' 1218Defendants' 1219Defendants' 2292Defense 1260-ADefense 1260-A/BDefense 1260-B

Source proceedings (6)

Every proceeding where this item was discussed. Click through to the transcript.

Criminal trial (5)

Civil trial (1)

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Bundy rear gate blood stains, LAPD Items 115/116/117
Three blood stains designated LAPD Items 115, 116, and 117 were collected from the rear gate at 875 South Bundy Drive on July 3, 1994. PCR testing excluded both victims and did not exclude O.J. Simpson; Item 117 yielded an estimated 150–166 nanograms of DNA …
Comparative DNA Quantity Chart (Defense 1165)
A defense chart comparing estimated quantities of high-molecular-weight human DNA in Bundy blood-drop items and rear-gate sample 117. Gary Sims said the displayed figures appeared reasonable, and the chart was later discussed during Dr. John Gerdes’s testimo…
DNA Concentration Comparison Charts (Defense 1192-A and 1192-B)
Defense charts comparing DNA concentrations in rear-gate sample 117 with Bundy and Rockingham blood-drop samples. They were displayed to the jury, and witnesses described the mathematics or conclusions as substantially correct.
Martz HPLC graphs of rear gate and reference blood (People's 546 series)
High-performance liquid chromatography (HPLC) graphs produced by FBI Agent Roger Martz from February 23 testing of gate stain Q204, sock stain Q206, Nicole Brown Simpson reference blood, and O.J. Simpson reference blood (People's 546-A through 546-D). Martz …
DNA quantity comparison chart, swatched samples vs. Item 117 (Defendants' 1118)
A chart entitled “Comparison of Swatched DNA Samples to 117,” introduced during Robert Blasier's cross-examination of Gary Sims, comparing DNA quantities from the back-gate stain with Bundy and Rockingham drops.
Electrophoresis printout with Item 117 lane removed (People's 224-D)
An annotated electrophoresis-plate printout introduced as People's 224-D and passed to the jury with the Item 117 lane physically cut off pursuant to the court's order.
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🔬 EDTA chromatograms of rear gate stain Q204 (Defense 1260-A/B; Defendants' 1218/1219/2292)
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