Three more Waupaca men, and a man from Racine, are in custody following their arrests on drug charges this week. Wednesday we told you of the various heroin charges against Jerome Polly, Anthony Polly, and Kelsey Olson of Waupaca, and Joshua Christensen of Scandinavia. Today (Thursday) Waupaca County Sheriff Brad Hardel says the four others are in custody awaiting formal charges of delivery of methamphetamine, possession of narcotic drugs, possession of marijuana, and various weapons charges. The four were apprehended during a SWAT team execution of a search warrant at a Center Street residence in Waupaca Tuesday. Hardel says officers found individual baggies of meth packaged for sale, several drug paraphernalia items, and a loaded 44-caliber handgun. The sheriff says more arrests are expected, as their investigation continues.