Insurance Commissioner Wayne Goodwin reported on "Operation Medicine Drop" here at this site previously. Now, take approximately three minutes to learn in a nutshell about the program from the accompanying video. You'll hear first-hand from Commissioner Goodwin, and leaders from the U.S. Drug Enforcement Agency (DEA) and the State Capitol Police.
Further details are found at the official NC Department of Insurance website posting at this link.
It is also important to note that safely and securely disposing of unused or expired prescription drugs not only is a public safety protection, but it also prevents contamination of the water supply and funneling of these medicines to the black market, fueled by addiction and criminal activity.