In a world this size, it is very easy to underestimate the number of harmful and highly addictive drugs that thrive on our streets, as well as drugs that are just now gaining public awareness. Each week, we'll examine harmful and/or illegal drugs of all  forms, shapes, and sizes. There are some you may be familiar with, but there will likely be a surprise or two along the way. This week, we'll be looking at a small yet powerful benzodiazepine known as Rohypnol and its troubling impact on teens and young adults.