If the owner of the guns is dead, you can not get them from the police not being the owner.
It depends
As far as we know, police only used guns or batons, back then...
Each situation is different. Some go back to the owner, some don't
You need to contact an attorney instead of trying to get answers on the internet.
Yes, police officers typically carry firearms as part of their duty to maintain public safety and enforce the law.
With.
Yes Most do.
they get over 10 guns a year.
That all police in UK do not carry guns.
Yes, Japanese police are armed.
Yes
By the paperwork the guns came with.