Switzerland. Geneva. A plain-clothes police officer on duty and two convict men. The black men are arrested while selling drugs in the streets. The inmate are african man from Guinea. The policeman carries a holster with a Glock hand gun. The weapon is a semi-automatic pistol designed and produced by Glock Ges.m.b.H. Glock was the first manufacturer to introduce ferritic nitrocarburizing into the firearms industry as an anti-corrosion surface treatment for metal gun parts. 3.05.12 © 2012 Didier Ruef..