Jhonatan Alexis Hernandez, who is being held in the Brown County Jail with an ICE detainer, is accused of dealing fentanyl near a school and also arranged fentanyl and marijuana buys at a Boys and Girls Club and Festival Foods in the City of Green Bay, and he is accused of maintaining a drug house that two children were living in, the complaint says. The fentanyl was camouflaged inside fake Percocet pills. He had previous drug convictions in Wisconsin.