1. Let she go to any cell, you don't be scared, she is just trying to read your pulse by issuing such threats.
2. Call recording is not a valid evidence, hence she cannot do anything about it, but you may have to furnish some basic facts in order to get more proper opinion and suggestions to solve your problem.
3. No.
4. Without giving the proper background of the problem you are asking opinion on some blunt information, based on the information you have furnished, she cannot do any harm to you.