DEA warns of meth disguised as party drugs ahead of Lolla; presence of drug increasing in areaThe DEA is warning of meth disguised as party drugs ahead of Lollapalooza as the presence of the drug increases in the Chicago area. The DEA is warning of meth disguised as party drugs ahead of Lollapalooza as the presence of the drug increases in the Chicago area. The DEA is warning of meth disguised as party drugs ahead of Lollapalooza as the presence of the drug increases in the Chicago area. The DEA is warning of meth disguised as party drugs ahead of Lollapalooza as the presence of the drug increases in the Chicago area. Pills stamped with popular cartoon images and marketed as party drugs tested positive for methamphetamine, according to the agency.