The key to the KSTP explosives story is DETONATION CORD

[geek tragedy]

That is comprised of PETN (one of the missing explosives) and is used to detonate HMX and RDX.

They found tons of such detonation cord in the KSTP story.

[displacedtexan]

1. Here's the quote...

During that trip, members of the 101st Airborne Division showed the 5 EYEWITNESS NEWS crew bunker after bunker of material labelled explosives. Usually it took just the snap of a bolt cutter to get in and see the material identified by the 101st as detonation cords.

"We can stick it in those and make some good bombs." a soldier told our crew.
***

The rest is on my blog (under the burning bush).