A steady rumble filled a meeting room in the Frederick County Public Safety Training Facility as 911 call center employee Kim Woolcock tried out a new cleaning device delivered to the facility Tuesday morning.

The applicator portion of the device resembled a handheld vacuum cleaner, only instead of an intake designed to suck in surrounding air, the short nozzle on the business end of the device sent out a stream of fine, dry mist into the room… READ MORE