http://www.foxnews.com/us/2013/08/06/fbi-warns-exploding-targets-could-be-used-for-ieds/
"Exploding targets are popular at gun ranges, but not with federal law enforcement authorities who say the unregulated product not only has caused devastating forest fires but can also be a cheap source of bomb-making materials for extremists."
"Exploding targets are popular at gun ranges, but not with federal law enforcement authorities who say the unregulated product not only has caused devastating forest fires but can also be a cheap source of bomb-making materials for extremists."