It depends on the crime. If he dealt drugs 28 times (for example) on 28 different dates, it is perfectly permissible.

Not even if you say please. They are a private company. They can ban you for any, or no, reason..........

You can sue whoever has your cat, and a court will decide who it belongs to..........................

If you were injured, you can speak to a lawyer in person about filing suit. If you weren't injured, you have nothing to sue for.

Ask for a refund............................................................................................

None of us knows why. You can go to the court's website and look up your case.........................

Stealing anything is illegal...............................................................................

Lawsuits are expensive and time consuming. Unless he has guardianship over you, move out and get your own bank account.

Police are not required to read you your Miranda rights when you are arrested. That is a myth from too many TV shows. But, if they question you...

This has all the earmarks of a common Internet scam. Unless this is someone you have met, block all contact with them.