The Greene County Sheriff’s Department will host the National Drug Take-Back Event from 10 a.m. to 2 p.m. Saturday, April 30th at three collection sites, Sheriff Wesley Holt said in a news release.The event is held in partnership with the federal Drug Enforcement Administration.There will be three parking lot drop-off sites:North Greene High School, 4675 Old Baileyton RoadSouth Greene High School, 7469 Asheville Highway.West Greene High School, 275 West Greene Drive.Deputies will take all unwanted prescriptions and drugs.