(Flunitrazepam): A medication used in Latin America and Europe to treat insomnia or as a pre-anesthetic medication, but smuggled into the United States, where it is a drug of abuse.
Use of the drug can create amnesia, plus drowsiness, dizziness, and confusion.
Street names include "R-2," "Mexican Valium," and "roofies."
Rohypnol has been used in sexual assaults.
A new version of the pill includes a dye that is visible when put into a drink.