Australian Federal Police (AFP) 1 article published in JoVE Chemistry Color Spot Test As a Presumptive Tool for the Rapid Detection of Synthetic Cathinones Morgan Philp1, Ronald Shimmon1, Mark Tahtouh2, Shanlin Fu1 1Centre for Forensic Science, University of Technology Sydney (UTS), 2Australian Federal Police (AFP) Here we present a simple, inexpensive, and selective chemical spot test protocol for the detection of synthetic cathinones, a class of new psychoactive substances. The protocol is suitable for use in various areas of law enforcement that encounter illicit material.