Commonwealth v. Adames

Lowell police, having first obtained search warrants for two apartments in a house, one (first-floor) thought to be the locus of retail sales of crack cocaine, the other (third-floor) to be the stash apartment, preceded the search1 by a controlled buy, effected in this manner. Inspector DeMoura who made the purchase, was given a ten dollar bill which had been dusted with a fluorescent powder that glowed green when put under blue ultraviolet light, and on which had been written “Police” in ultraviolet crayon. The powder and the inscription were invisible in normal light. Inspector DeMoura then…