The FDA has seized some of these drugs to prevent sales. According to the FDA, these drugs are twenty times as powerful as Valium. Ten to 30 minutes after being ingested they can render a victim unconscious for up to 12 hours and cause significant memory loss. The drugs knock out the victim by depressing the central nervous system. Police departments all over the country have received reports from women who have woken up naked and injured in fraternity houses, victims of sexual assault after having been slipped the drug.
Men can also be the victims of a drugged drink.
Many men have woken up outside of a bar beaten and robbed, without any memory of what happened. In 1996, President Clinton signed into law the Drug-induced Rape Prevention and Punishment Act. This law makes it a felony to cause a person to ingest Rohypnol or related substances without their knowledge with the intent to commit violence against them. Persons convicted face up to 20 years in prison. Rohypnol and GHB are also used recreationally.