- INTELLIGENCE BRIEF - 5-METHOXY-ALPHA-METHYLTRYPTAMINE IN MESA, ARIZONA The City of Mesa Police Department Crime Laboratory (Mesa, Arizona) recently received a unusual submission consisting of six small plastic zip-lock style bags (imprinted with green marijuana leaf logos), each containing approximately 32 milligrams of a hard, brittle, and deep green colored material that appeared to be pieces of broken glass or plastic, each approximately 0.5 - 1.0 cm in size, suspected LSD (see Photos 5 and 6). The exhibits were seized by the City of Mesa Police Department as a result of a traffic stop. The material would not dissolve in water, and preliminary color tests (Marquis, cobalt thiocyanate, sodium nitroprusside, Froehde's, and p-DMBA) were negative or inconclusive. Analysis of a hexane/ethanol extract by GC/MS indicated 5-methoxy-alpha-methyltryptamine (5-MeO-AMT), as published in the May 2003 issue of Microgram Bulletin (page 96). Quantitation was not performed. This was the first encounter with this substance at the Mesa Crime Laboratory.