Explosives Materials News Today

On this unfolding investigation. catherine, we are learning more about the explosive material itself now. >> we are, shep. based on the initial reporting, sources tell fox they believe the devices contain sin texas. a plastic explosive that contains p.t.n. or rtx. the homeland security advisor saying a short time ago that the intelligence community tonight is drilling down on the plot and its scope. >> im concerned that since there were explosive materials in it, a traditional dry run is somethi...