Ice - a slang term for smokeable methamphetamine, has a translucent rock-like appearance and is a highly addictive and toxic amphetamine.

Methamphetamine - A central nervous system stimulant similar to amphetamine sulfate but more potent. It is a member of the amphetamine class and is preferred by habitual amphetamine users. In intravenous form, it produces an almost instantaneous onset of the drug's effect. Slang names include "meth," "speed," and "crystal."

Benzodiazepines - A class of drugs used as antianxiety tranquilizers. Some are used to treat muscle spasms, convulsions, and alcohol withdrawal syndrome. The most common side effects are drowsiness, confusion, and loss of coordination. Included in this class are chlordiazepoxide, diazepam, oxazepam, and chlorazepate dipotassium.