🧪 Forensic
in Edta Testing
Rear-Gate EDTA Testing Graphs (People's 544 Series)
People's 544 graph series documenting Roger Martz's LC-MS/MS testing of rear-gate blood Q204 and a preserved-blood control. The series included graphs 544-A through D and chart 544-E; Martz, Robert Blasier, and Marcia Clark offered differing interpretations of the displayed signals, and Martz testified that related raw full-daughter-spectrum data had not been retained in printed form.
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.
544-ePeople's 544-A through DPeople's 544-E
Source proceedings (5)
Every proceeding where this item was discussed. Click through to the transcript.
Criminal trial (5)
- Day 121 Cross-examination of Roger Martz witness: MR. MARTZ
- Day 122 Redirect examination of Roger Martz (afternoon, part 1) witness: MR. MARTZ
- Day 122 Recross-examination of Roger Martz witness: MR. MARTZ
- Day 122 Redirect examination of Roger Martz (morning, part 1) witness: MR. MARTZ
- Day 164 Closing argument — Marcia Clark (part 2)