In the states these raids occur fairly frequently, with lots of media and law enforcement hype about discovering a "secret arsenal". Then it goes away, the liberal media and police having made their point about the dangerous gun nuts, survivalists and militia members. In many if not most cases it turns out everything the victim had was legal, and the charges are quietly dropped. Of course it takes law enforcement several months ( as opposed to the several days it should take) to determine that the evil looking "assault rifles" are completely legal semi autos, and that the "bombs" are inert. The victim gets his collection back, many times with pieces damaged or destroyed by careless handling and storage, and sometimes willful destruction. What sad times are these.
Steve