AMES, Iowa – The motivation to start cooking meth is often driven by addiction, but a new study takes a closer look at the reasons cooks engage in this criminal behavior and come to see it as a job.

ST. LOUIS -- Authorities once bent on curbing thefts of anhydrous ammonia often required for methamphetamine have a new dilemma: Savvy makers of the drug apparently are crafting the ammonia on their ...