1,这件事会产生很严重吗? Of course, better get a lawyer. 2,警方会只一封信就找到我,并抓我坐牢吗? The police can arrest you, but jail time depends on the trial, if there is a trial. 3,我应该怎么办? Work with the police. Be honest. 坦白从宽,抗拒从严