Good Samaritan Medical Center

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Good Samaritan Medical Center in Brockton is where Boston PD Officer John O'Keefe was pronounced dead after transport from 34 Fairview Road, and where Karen Read was taken the same morning on a Section 12 psychiatric hold. Officer Steven Mullaney testified that Canton dispatch advised "she was making suicidal statements," providing the basis for the transport. Read's clothing was collected at the hospital; O'Keefe's was preserved as evidence. A blood sample drawn from Read at Good Samaritan would produce the central forensic thread of both trials. Dr. Gary Faller testified that Read's BAC at the hospital "is reported at 93 mg per deciliter." Forensic toxicologist Hannah Knowles then built a retrograde-extrapolation calculation on that value, placing Read's BAC at the time she left the Waterfall at "nearly twice to over three times the [legal limit]." The defense attacked the foundation of that calculation: attorney David Yannetti established that Knowles had "no information that the lab at Good Samaritan Hospital is an accredited lab," and Knowles conceded she had "no direct knowledge of the accuracy or reliability" of the hospital's lab results — the basis of her entire analysis.