Moones Mellouli came to the United States legally and became a lawful permanent resident. He went to college and attained multiple advanced educational degrees and became a professor. In 2009 he was arrested for DUI and the police found Adderall pills in his sock. Adderall is a drug that requires a prescription and is a federally controlled substance.
Professor Mellouli managed to avoid a conviction for illegally possessing the Adderall, which, given his immigration status, would have definitely made him removable under INA § 237(a)(2)(B)(i) for having been convicted of an offense relating to a controlled substance. Rather than a conviction for possessing the Adderall illegally, he managed to plead to a lesser offense, possession of drug paraphernalia, more specifically, the sock in which he illegally stored and concealed the Adderall.
Yes, you read that correctly, not only is it a crime to illegally possess a controlled substance, but in most states, it is also illegal to possess any object that a person uses or intends to use to: