What does the term Skittles mean for criminal gangs?

In the context of criminal gangs, the term "Skittles" often refers to a slang term for a type of drug, particularly fentanyl or other synthetic opioids, that comes in brightly colored pills resembling the candy. This terminology can signify the dangerous and deceptive nature of these substances, which may be marketed or sold in a way that attracts users due to their appearance. Additionally, it may reflect the diverse range of colors and formulations of drugs circulating in illegal markets.