State officials said carfentanil has been linked to three overdose deaths. No arrests have been made in connection with the deaths. The drug was created to tranquilize large animals such as elephants. Officials said it's 100 times more potent than fentanyl and 5,000 times stronger than heroin.
Thorpe, who is also charged with a parole violation, is expected to be arraigned Monday. It wasn't immediately known if he had a lawyer.