 He offered to supply them with phenyl-2-propanone(P2P), a necessary ingredient in meth manufacture which had become difficult to obtain, in return for half of the resulting output.He insisted beforehand on being shown the lab and given a sample of what they could produce.John Connolly gave Shapiro from his most recent output, and Patrick Connolly said they had been able to make three pounds of meth since May of that year.