Explosive devices in NY, NJ made with easy-to-get materials

WASHINGTON (AP) — Three explosives devices found Saturday in New York and New Jersey used the same kind of flip cellphone as a trigger and were made with commonly available materials that can be bought without raising law-enforcement suspicions.
A federal law enforcement official said investigators found evidence of a pressure cooker, flip cellphone, small pieces of steel and residue from the explosive compound Tannerite in the remnants of bomb that exploded under a dumpster and wounded 29