Security News







2015-05-20 13:06
Used by the Soviet Union during the Cold War: A defecting agent revealed that powder containing both luminol and a substance called nitrophenyl pentadien (NPPD) had been applied to doorknobs, the...



Used by the Soviet Union during the Cold War: A defecting agent revealed that powder containing both luminol and a substance called nitrophenyl pentadien (NPPD) had been applied to doorknobs, the...