Source: En pleine présidentielle, Benalla dégaine son arme pour un selfie
The only person who kept weapons in his office (inside/at the EPO) was Battistelli himself -- despite falsely accusing others of the same -- employing an immature, aggressive and totally irresponsible (could have shot EPO staff uncontrollably) thug without a gun permit. EPO is a rogue institution. The above is Battistelli's 'bodyguard'; imagine arming and paying about 10,000 euros per month to a thug who takes selfies with his pistol that he most likely carried illegally, implicating Battistelli (who no doubt knew about it but refuses to talk about it). Also of relevance to this: