If you mean fully automatic (machine gun), yes- BUT- you must meet all Federal requirements under the National Firearms Act. This means that the transfer of the weapon to you must have been approved by the BATFE, and the $200 transfer tax paid. Ordinary semi-auto fireams are permitted.
Yes, provided the firearm itself is legally obtained.
You can't.
No. Expungement does not make your conviction go away.
The question refers to a California petty theft statute - If that statue is NOT a felony offense, then yes, you may own or possess a firearm.
Based solely on the information provided in the question, NO, they may not legally own or possess a firearm.
There is no such weapon.
Depends on what the criminal mischief was for, and whether it is a misdemeanor or felony. You need to check with law enforcement in Ohio.
Contact your local Michigan Police for an up to date answer.
Very severe restrictions on possession of any firearm except by members of the government/ military.
You will need to consult with a lawyer for a legally correct and current answer.
Assuming this is a firearm you own, you can sell it to a gun shop, give it to a friend in your state that is an adult and able to own firearms or contact your local law enforcement officials and surrender the gun to them.
You can legally own them, however you would need a conceal carry permit to carry them with you