Can my landlord dig through a trash can after I moved out, found cigarette butts and will not return deposit now?

Yes, the landlord can dig through your trash. Once you throw something in the trash, you've abandoned it.

How do I legally take possession of a car that I am a co-lessor?

You could tow it. The co-lessor could tow it right back, or cancel the tow mid hookup. You each have equal access to it, and you have no greater...

II quit a job and my employer left my stuff outside and my personal belongings got stolen. Is he liable.

That depends. If you were there when he threw your stuff over the gate and you just left it there, probably not. If he threw it into a place...

Do I have to return my ring ?

Well, that depends. If it was a ring given in contemplation of marriage, and the marriage didn't go through, then generally yes.

I there legal basis for calling the police on my girlfriend?

They can have rules about who they do and do not want on their property.

Can I still get a ticket?

You could theoretically get one in the mail, but it's not likely.

I'm renting a house and never missed rent and the landlord just told me that I'll have to move as he rented it to someone else

Yes, that will happen. There may be some argument that you're entitled to more notice, but if you don't have a lease for a term, you've got no...

Yes, this sounds exactly like the kind of elder abuse that would result in an investigation and charges, maybe even criminal ones. Stop posting...

How do I get my last check from my employer if they gave it to a residential facility?

Maybe go to the facility and get your check?

Do I have to pay someone back for things that are not in my possession?

You very well might. It will require some more effort from her beyond the standard Facebook drama you mention above, though.