You need a really good lawyer, money and patience. Even then, depending on what you did, it may or may not happen.
The firearm used by Gary Gilmore for two murders in the case that reinstated capital punishment.
I'm assuming you mean "Can a sex offender own a firearm?" If so, the answer is no. Felons cannot own firearms.
yes
No
You can pawn a firearm which you own.. if you pawn a firearm which you do not own, the legitimate owner may report it stolen, and you will be prosecuted.
No. No convicted felon can ever lawfully be in possession of a firearm.
No.
No
No
It is possible, yes.
If you have ever been convicted and served time, you cannot own a firearm. Double check, I could be wrong. Google your question. I am a felon and will go to federal prison if I have a firearm.
You can't really "check online" but if you qualify to own a firearm anywhere in the U.S. you can own one in Florida. Basically, you have to be a non-felon and have disqualifying misdemeanors.