For Ammonium Nitrate to work effectively as an explosive (it’s a very effective water soluable fertilizer) it needs a double bang known as precussion. That’s where the tannnerite comes in.
Daily Mail has a couple interesting stories out....
1. He rented hotel rooms overlooking the Chicago music fest Obama’s daughter attended.
2. He lost ONE MILLION a year gambling. He paid cash for his $300k+ retirement home.
Where’d he get all the money?
See two posts above that him being the lone shooter doesn’t make sense given the number of injured and dead.