However, the drug neither is manufactured nor approved for medical use in the United States. Flunitrazepam has been encountered by U.S. law enforcement agencies in Southern States from California to Florida. Authorities in Texas and Florida have observed the most significant activity involving flunitrazepam. Distributors in Texas reportedly travel to Mexico to obtain the drug. In South Florida, the drug is delivered primarily from Colombia via international mail services or commercial airlines.
Overnight mail appears to be the preferred method of importation.
Several packages seized in Miami over the past 2 years were shipped from Cali, Colombia, and contained up to 11,000 dosage units each. The most recent and largest seizures of flunitrazepam occurred in February 1995. On February 13, over 52,000 tablets, packaged loosely in plastic bags and located inside a car door, were seized by the State Police in Louisiana. On February 14, the U.S. Border Patrol in McAllen, Texas, seized over 57,000 tablets of Rohypnol, packaged in bubble packs, along with 53 pounds of marijuana. The drugs were obtained in Mexico and destined for Florida.