This photo shows you why as a security consultant, I don't think it's a joke when someone threatens to shoot anyone -- even in "safe" Singapore: it's a 3D printed gun powered by simple pneumatics. It's meant for paintball, but any fool can tell you that simple adjustments on a CAD based software can modify this design to shoot just about any projectile -- who says only bullets can kill? It's not possible for crazed gunmen scenarios in Singapore you say? Think again.
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