Is it annoying to change lawyers in the middle of a case?

No, changing lawyers in the middle won't annoy the police. Lawyers and police are both trying to ensure the smooth progress of criminal proceedings, and there is no fundamental conflict between the two sides. The advantage of changing lawyers in the middle of the lawsuit is that you know something about the lawyers who helped you in the lawsuit. Usually, changing lawyers is because lawyers don't control the case well, which may lead to losing the case. At this time, even if changing lawyers can make the reversal possible, the disadvantages of changing lawyers halfway are that the new lawyers have short preparation time for the original case and insufficient time for investigation and evidence collection.