CNN Forensic Files May 24, 2015 06:02:00
My daughter. >> agents from the bureau of alcohol, tobacco, firearms and explosives were called in to investigate. >> we found metal fragmentation, we found pieces of pipe nipple. we picked up any pieces of wire we found. batteries, we did find some 9-volt batteries. we picked up everything. >> this clearly eliminated a gas line explosion. these were the ingredients of a pipe bomb, a homemade device in which gunpowder is packed into a steel pipe, closed with metal end caps. in this case, fragments of red painted end caps were found in the rubble along with 30-gauge blue insulated silver coated...