Detailed text transcripts for TV channel - MSNBC - 20100502:13:35:00
>> pete, have they been able to figure out the derivation of the smoke? was it the fireworks that were there? there was this black, powdery substance described as a gunpowd gunpowder. do they know what was smoking from the car? >> some of the fireworks did go off and that was the popping noise. my understanding is that was the popping noise some witnesses reported seeing or hearing and some flashes that they reported seeing but precisely what the fireworks were to do -- it sort of sounds like you had fireworks and then you had gunpowder. the theory was the fireworks would ignite the gunpowder....