term "amateurish." what's known about the makeup of this device wm? what do they think here? >> reporter: that's for sure. and as i'm talking to bomb experts, they're steering clear of the word "amateurish," because they're looking at this. they're saying, if this thing could have worked and could have killed people, let's not necessarily use the word "amateurish." but it was comprised of a number of different things. it had gas cans, propane cylinders. the same kind you would use in a propane tank barbecue, as well as some alarm clocks. and they even showed pictures of these common alarm clocks that were supposed to be, believed to be, a triggering device. there was also a huge metal gun locker, you could say, that was in the back park, the cargo area of this suv pathfinder. and inside of that wering abags, and they were believed, suspected to contain fertilizer. the question is, how did the