Clarksville PD lock down; HazMat checks “suspicious substance” | Clarksville, TN Online

Clarksville PD lock down; HazMat checks “suspicious substance” | Clarksville, TN Online: "When Clarksville resident and APSU student Sandy Shirley signed on for a ‘ride along’ with the Clarksville Police Department, she had no idea she’d spend the evening locked down in the station, waiting for clearance from Emergency Management officials and a determination that a white substance brought into the station was– or preferably - was not a contagious virus such as smallpox."