Yes
Yes, it is legal to possess lock picking tools in Virginia.
It depends on where you are. In some states, it is legal.
Like MOST states, there is no means or requirment to register firearms in Florida.
If you can legally own a suppressor, you can just as legally mount it on a hunting/sporting rifle - however, you can't do this when you're actually hunting with those firearms.
Federal law prohibits felons from owning guns...and voting believe it or not.
South Dakota defines legal firearms in terms of muzzle energy, not caliber. See the link below.
No, the Game Laws and the CCW legislatioon of ALL states specifically prohibit bearing firearms when "under the influence."
No. It is against both State AND Federal law for a convicted felon to ever own or possess firearms (including black powder muzzle-loaders) or ammunition.
A "sniper rifle" is simply a rifle employed for that purpose. So long as the "sniper rifle" meets the criteria and restrictions for hunting firearms in the state you're hunting in, you can use it.
Depending on the circumstances, in ALL states. All states permit hunting, and hunters walk around with firearms.
Virginia does not require registration, so the answer the question, assuming you are of legal age to own the gun and the gun isn't stolen, is no, you do not have to register it, because in Virginia, registration doesn't exist.
It depends on where you are. In the U.S. someone under the legal age of ownership can possess a handgun for sporting or hunting purposes under federal and most states' laws.