Experienced answers only! Has anyone had there on line pharm narcotics seized or spent jail time for buying?

Has anyone or known someone for buying on line without prior prescription narcotics from overseas prescription pharmacy's. been prosecuted and spent jail time or were the narcotics just seized by us customs? I have searched all over the INTERNET for this answer and have not found one, so I am looking for personal experiences. Please don't tell me its illegal. I know that already.