← All EvidenceCrossSherry Culhane — Cross Sherry Culhane Jerome F. Buting
Physical Evidence
Bullet fragment Item FL and its DNA extraction, which produced a contaminated manipulation control; Culhane distinguished the control from the evidence sample
Culhane's Day 11 cross-examination addressed the bullet fragment's DNA extraction and a contaminated manipulation control. She agreed that the ordinary rule called for an inconclusive inclusion, that the extraction could not be repeated, and that she used a deviation to report the bullet result.
About
The defense emphasized the reported bullet result as the exception to Culhane's negative Halbach-DNA findings on the other tested house and garage items discussed, while questioning the deviation used to report that result.