You definitely should contact a criminal defense attorney in your area as to all of this. In fact, you should not meet or even discuss the situation with your ex-employer until you do. Also, you may get there only to find the police present at the meeting. And you should never discuss a crime in front of or with the authorities without legal counsel. You do not want to risk making potentially incriminationg statements to either your former employer, or the police if they are also there. And be aware, that if the police do want to question you, you are under no legal obligation to meet with them (even if they should later come to your home).