NBC Newsのインスタグラム(nbcnews) - 8月1日 06時00分

“Coming to a theater near you, coming to a school near you,” Sen. Blumenthal says of untraceable 3-D printed guns. “The failure to ban them will mean blood on the hands of officials who have that responsibility.”
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Nearly half the states joined in a series of efforts Monday to block a #Texas man from offering instructions online for making plastic guns using 3-D printers. The guns could never be traced if used in a crime because there's no serial number, and plastic guns could more easily slip through metal detectors.
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