Often users come very close to death and don't even know it. Both GHB and Rohypnol are considered to be date rape drugs. Ketamine is a veterinary pain killer, it can be deadly as well as addictive. The drug is often sold in powder form and can be snorted or injected. In small doses, the user falls into a dream state, larger doses create a strong disassociative affect.
Raves have loud music and light laser shows to increase highs.
Club Drugs have been around since the mid 1980's. Not all teens that attend them use drugs, and the drugs are no longer exclusively found at raves. Raves are usually advertised on fliers, with graphics and directions to the location. Water is expensive, sometimes as much as twice the amount of beer. Kids are targeted because it's all about making money off of their desire for a good time.