You have no criminal conviction, as you case was stricken (not prosecuted), thus, already in 2011 you should have: expunged your criminal arrest...

Present your music narrative to a local licensed criminal law attorney.

No, but you need to be careful not to raise an indication of improper use of weapons by a person who WAS NOT a Lawful Permanent Resident.

Present your legal issues to the counsel of record familiar with your your case.

Anything under review is a definite sign that something within your submission's content attracted scrutiny.

You still need to restore your eligibility to obtain an FOID based on your criminal history.

I would not discuss such criminal matters on line with anyone.

You may not as it stays on one's record in the courts's documents.

Your husband must calibrate his personal legal options with a counsel of his choice versed in criminal law.

You articulated a legally acceptable permission to search a vehicle.