Back Tracking Process News Today

The back tracking process of determining where that came from. that is not as quick. if it is a propane tank and youve got to then track back when was it purchased? who purchased it? its not csi. it doesnt happen in 60 minutes. >> are we talking about a lengthy process as far as roying to first determine these components in then where they came from? how they ended up there in that vehicle? who might have done this? talking about a pretty long process. >> it could be a long process. its going wa...