My house was raided by state police 3 months ago. When they were in the house, they found marijuana and paraphanalia. After they took our information, they left and did not arrest me or my roommates. They simply said that they would stay in contact. Since then, they have made no contact and, when my lawyer called them, they gave reasons stating why they would be out of state. My question is, can the cops come back and arrest me months later, and if they do, are they allowed back in my home?