🧪 Martz 2/19/95 bar graph — negative ion LC-ES-MS/MS results (Plaintiffs' 561)
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Martz 2/19/95 bar graph — negative ion LC-ES-MS/MS results (Plaintiffs' 561)

Bar graph prepared by FBI Agent Roger Martz dated February 19, 1995, showing EDTA test results in negative ion LC-ES-MS/MS mode, with large peaks for known EDTA-preserved reference samples and no EDTA detected in evidence samples. Used to confront Dr. Rieders on cross-examination.

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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.

Plaintiffs' 561

Source proceedings (1)

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

Civil trial (1)

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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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🔬 Martz 2/19/95 bar graph — negative ion LC-ES-MS/MS results (Plaintiffs' 561)
EVIDENCE KRT DvH TD