🧪 Five EDTA detection parameters summary slide (Defense 1257-M)
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Five EDTA detection parameters summary slide (Defense 1257-M)

Demonstrative summary slide listing the five detection parameters used by Dr. Rieders to identify EDTA in the mass spectrometry data, constituting the criteria for a positive identification.

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How this item was marked across the four trials. The same physical item often gets different numbers in the criminal and civil trials.

Defense 1257-M

Source proceedings (1)

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

Criminal trial (1)

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Harmon letter to Martz requesting EDTA testing (Defense 1263)
A February 16, 1995 letter from prosecutor Rockne Harmon to FBI Agent Roger Martz requesting EDTA testing, containing language asking Martz to 'refute the possibility' of planted blood. Read aloud by Martz during criminal trial testimony and re-referenced in…
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Q206 sock stain LC-MS/MS chromatograms, runs 4088 and 4094 (Defense 1259-A, 1259-B)
Two LC-MS/MS chromatogram runs of Q206, the sock edge cutting: run 4088 (discovery page 4088, Defense 1259-A; civil Defendants' 1215) and run 4094 (discovery page 4094, Defense 1259-B; civil Defendants' 1216). Together they constitute the first and second co…
Foreman and Trujillo 1954 EDTA absorption and pharmacokinetics study
A 1954 study by Foreman and Trujillo using radioactive carbon-labeled EDTA administered to human subjects to measure oral absorption rates and pharmacokinetics. Cited by both Rieders and Martz in dispute over baseline EDTA levels in healthy uninjected person…
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Transcript pages from Agent Roger Martz's criminal trial testimony, referenced in civil proceedings both as a foundational exhibit (Defense Exhibit 1264 in civil, July 25 page 38649) and for impeachment purposes comparing his statements at pages 38641 and 38…
50 ppm EDTA standard chromatograms, February 22 — morning and afternoon runs (Defense 1262-A, 1262-B)
Chromatograms of 50 parts per million EDTA reference standards run twice on February 22: at 9:32 AM (discovery page 4077, ion count approximately 319,561; Defense 1262-A) and at 1:48 PM (discovery page 4070, ion count approximately 49,393; Defense 1262-B). I…
Q206 sock stain full daughter ion scan, broader mass range (Defense 1259-C)
Full daughter ion scan chromatogram of the Q206 sock stain cutting spanning a broader mass range of 130–295, less focused than the standard 160/293 runs. Used both on direct examination by Rieders and on cross to probe whether the 132 ion signal rose meaning…
Q206 composite chromatogram slides (Defense 1257-Q and 1257-R)
Composite slides displaying both Q206 sock stain chromatograms together, used with Dr. Rieders for jury visualization. Defense 1257-Q shows the combined display; Defense 1257-R is the same composite with EDTA peaks highlighted.
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The Simpson Matter
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🔬 Five EDTA detection parameters summary slide (Defense 1257-M)
EVIDENCE KRT DvH TD