Montgomery County Sheriff's Office requests assistance finding runaway teenager Montgomery County Sheriff's Office Asia Black and last updated 2021-01-23 12:31:09-05 CLARKSVILLE, Tenn. (WTVF) â The Montgomery County Sheriff's Office is asking for assistance locating a runaway juvenile. 15-year-old Asia Black was last seen in Clarksville this past Thursday at 10:30 a.m. by her guardian. Black is an African American female, 5 feet 11 inches tall, weighs 215 pounds and has black hair with brown eyes. She could possibly be wearing black sweatpants with a white Ren and Stimpy shirt. Asia Black Black is believed to be in either the Clarksville or Nashville areas.