RCW 72.23.300: Bringing narcotics, intoxicating liquors, weapons, etc., into institution or its grounds prohibited—Penalty.

Any person not authorized by law so to do, who brings into any state institution for the care and treatment of mental illness or within the grounds thereof, any opium, morphine, cocaine or other narcotic, or any intoxicating liquor of any kind whatever, except for medicinal or mechanical purposes, or any firearms, weapons, or explosives of any kind is guilty of a class B felony punishable according to chapter 9A.20 RCW.