Whether your boss can or can't get a court injunction against you, it definitely sounds like you need to consult an employment attorney to discuss...

You probably need to ask an IP lawyer.

It might be a violation of your civil rights if you objected to being locked inside. I recommend you schedule a consult with an employment lawyer...

What are the nuances/impact of attorney, timing, location factors when filing an EEOC discrimination-retaliation claim?

Most employment attorneys file with EEOC and remain on the case in federal court. You can file with the EEOC office where you currently reside. ...

Does the "ban the box" law help me to get work?

If they asked you to put down all prior convictions on your job application, and you failed to disclose it, they can take back the job offer if...

Do I have the right to have time off to observe religious holidays?

Definitely if your religious beliefs do not permit you to work on that day. Otherwise, maybe not.

I have a misdemeanor charge for unemployment benefits

It may make it difficult to find work while the case is pending.

Can I sue or take legal matters.

If your boyfriend is on FMLA leave, he has up to three months to return to work. Otherwise, they can let him go if they can legitimately claim...

You should apply without waiting for a letter. When they ask the reason you are no longer working, you can say you were fired after being accused...

What to do

Probably, but you need to show the letter to an employment lawyer for a more definite answer.