The Charleston Police Department will host a small ceremony in memory of Patrolman Cassie Johnson today, on the one-year anniversary of her end of watch. The ceremony will take place at 4 p.m. at the CPD Police Memorial located at Pennsylvania Avenue and Washington Street at I-64. During the ceremony, Chief of Police Tyke Hunt and Sheryl Johnson will place a wreath at the memorial before brief remarks are given and there will be a moment of silence. Roads will be closed at about 3:30 p.m. until the conclusion of the ceremony at Washington Street and Pennsylvania Avenue.