Liquid K2, a form of artificial marijuana that causes erratic behavior when smoked, is currently being smuggled to inmates in the mail, sprayed on letters and pages of publications. This type of K2 is much more challenging to detect than traditional leafy K2 products which search much more like cannabis. https://thesocialroi.com/story6746039/k2-spray-on-paper-can-be-fun-for-anyone