A criminal defence lawyer that handles drug cases can assist you in determining whether the police have infringed any of your constitutional rights under the Charter. These rights include freedom from unreasonable search and seizure, arbitrary detention or imprisonment and the right to counsel upon detention or arrest (the police must inform you of this right, facilitate reasonable access to counsel and refrain from eliciting evidence until you have spoken with counsel or validly waived this right). If your Charter rights have been infringed, evidence may be excluded at your trial as a remedy. In exceptional cases a stay of proceedings may be entered.