Police arrested 27-year-old Yoshitomo Imura, a university official from Kawasaki City, after he posted a video of himself firing a 3D-printed six shooter called the Zig Zag revolver. Imura was employed at the Shonan Institute of Technology and owned a $500 home 3D printer.

Read more: http://techcrunch.com/2014/05/08/japanese-man-arrested-for-printing-his-own-revolvers/