← All EvidenceDirectBrendan O'Hearn — Direct Examination Brendan O'Hearn Aloke Chakravarty
Physical Evidence
Medical bag and ventilatory-assistance device described as an Ambu bag
O'Hearn testified that he brought a medical bag from the cruiser and that Officer Keno used its ventilatory-assistance device while O'Hearn performed chest compressions on Officer Collier. O'Hearn said he knew the device as an Ambu bag.