Just because it’s possible to buy a gun on the black market doesn’t mean a potential mass shooter would go there. They may not know who to contact or have the

Just because it’s possible to buy a gun on the black market doesn’t mean a potential mass shooter would go there. They may not know who to contact or have the social skills to negotiate the transaction, or they may not have the money. Just as an illustrative example, it’s possible to buy fully automatic weapons on the black market but I don’t think i’ve seen a single case of a mass shooter doing this.