Criminal Law Questions? Ask a Criminal Lawyer.
Dear JACUSTOMER - DO NOT go to the police station or talk to anyone without an attorney. I don't care what anyone says or threatens you have no obligation to talk to the police and anything you say will be used against you and nothing you say can help you. Every defense attorney in America will tell you the exact same thing. Unless there is a warrant for your arrest you don't "need" to go to the station on Thursday or any other day and if the police want to arrest you they will whether you go or don't go.
Generally they don't have enough evidence to arrest you or they would have already done so. That's why they want you to come in and talk to them so they can get you to say something that will incriminate you and THEN they will arrest you. You don't have to spend the money on an attorney at this point if you cannot afford one. You can and should call the detective and say those dreaded words the cops hate to hear - "I don't wish to make any statements without an attorney".
Once you invoke your right to counsel the cops cannot question you further. They must either arrest you or drop all requests for an interview. This is why we have a Constitution and, more specifically a Fifth Amendment which protects us against self incrimination. No attorney would tell you to go to meet with the detective without an attorney. If you are arrested then you should immediately request the assistance of counsel and if you can't afford an attorney the court will appoint one.
No promises made by the cops are worth anything. Only the prosecutor or the judge has the power to make deals so it doesn't matter what a cop says about "going easy" etc because it means nothing. The best advice I or any attorney can offer to someone in your situation is to remain absolutely quiet and get a lawyer.
If there were a warrant they would not have just called and asked you politely to come in. They would have showed up at your door. If you decide you want to go to the station on your own then PLEASE just say you do not want to talk without having an attorney. The point is DO NOT make any statements.