What can be done about this?

It certainly sounds like you may have a viable claim here. Contact a local employment attorney in order to discuss the matter further.

I am collecting unemployement I want to find out if I work on 1099 Do I loose my Unemployement benefit?

It would seem likely, but you should contact the DOL or a local employment attorney to confirm this.

The restaurant there i worked has closed 2 months aga and i still didnt received my last pay check. Can i do something about it

Yes, you can and should contact the NYS Department of Labor to have them go after him for the unpaid wages.

Can I be put into corrective action for repeating what the supervisor said outside of work?

Assuming you are an employee at will, there is not likely any prohibition on their doing so, even if it doesn't seem overly fair.

Can My employer demand my medical files if I have been off sick for a week and I have a Doctors release to go back to work, I

Under federal law, there are significant restrictions on the employer's ability to do this. An employer may only obtain medical information where...

Is it possible to do that or will I have to help them without taking any money?

If you are willing to help them to train the new employee, I don't see why you wouldn't be able to do so.

Do I need just an employment or a criminal lawyer or both ?

If you are bringing a lawsuit, that would be a civil matter and you would want an attorney that handles civil matters as opposed to one that...

I can't imagine that it would/should.

Was I treated fairly by not given the pre-adverse action time period?

This is a question that would require more facts. For example, what was your felony that you were convicted of? The best thing you can do is get...

Can I do anything to get the overtime I should have been paid?

You can certainly bring a claim and pursue the overtime plus additional damages for their failure to properly pay you. You should consult with a...