If you "hold yourself out as married" then yes. This link explains further: https://secure.ssa.gov/poms.nsf/lnx/0500501150

I agree with Mr. Kalish. Make absolutely certain that you keep receipts for every dime you spend of that money.

You have a decision to make. Do you sue in (presumably) small claims court then try to collect from the gang member or do you write this off?

Yes. Those on SSDI can earn up to $940 per month (going to $970 per month next year) before beginning their Trial Work Period. This link explains...

There is no attorney / client privilege and, further, the website is not secure.

Not only would any such suit be impossible due to governmental immunity, but you have no damages other than being annoyed.

It appears that Walmart has accepted responsibility and is paying for the repairs. Assuming things get resolved relatively quickly then you have...

Nobody here can answer that question, however, you would certainly appear to have a valid defense to that ticket.

I sincerely doubt the police would get involved in family squabbles over a photograph.

No you cannot. Further, the police will not get involved in matters such as that. Your recourse is to litigate the matter through the courts.