← All EvidenceDirectDirect Examination - Edward S. Knapp Edward S. Knapp Aloke Chakravarty
Physical Evidence
Small Christmas tree lightbulb fragment identified in Scene A debris
Knapp identified a small Christmas tree lightbulb fragment from Scene A while discussing the Boylston Street devices' initiators. He said no corresponding fragment was found at the other scene and explained that violent destruction can leave no remnant.