This guide addresses the problem of clandestine methamphetamine labs. U.S. state and local police report that methamphetamine trafficking and abuse has become their most pressing illegal drug problem in recent years, surpassing even crack cocaine. . . . This guide does not provide technical details on all the aspects of clandestine methamphetamine labs.ยงยง Rather, it provides a general overview of the problem and of responses to it. It begins by describing the problem and reviewing factors that increase the risks of it. It then identifies a series of questions to help you analyze your local problem. Finally, it reviews responses to the problem and what is known about them from evaluative research and practice.