Rudolf Camenzind became after the police academy a member of an interregional intervention unit as marksman. During this time, he developed his shooting skills and gained tactical knowledge and experience.
During his assignment at international organisations he trained police officers from all-over Europe on short and long-barrelled weapon systems. Back home he jointed again a police unit as weapon and firearms trainer.
The Swiss Police Institute recognized and certified him on Pistol, Sub-machinegun carbines and as well on assault rifles. Further he achieved the Federal VET Diploma in andragogy (adult education) and Federal Diploma of Professional Education and Training (Police). With several armourers courses at FN Herstal, Heckler and Koch and Glock he broadened his knowledge.
At the time the weapon expert is establishing the new swiss law on firearms at a governmental organisation.