Investigators in Germany have discovered weapons, Nazi paraphernalia and a cannabis farm during a raid of the house of a so-called Reichsbürger, a right-wing extremist who rejects the authority of the modern German state. The house in southern Germany contained walk-in weapon storage, flags of the Reichsbürger movement, a machine gun and munition, according to police official Andreas Stenger. A 54-year-old man is in custody because he allegedly shot at a police officer during the raid, senior public prosecutor Florian Kienle said without confirming that it was during the raid. The man has admi…