A lengthy drug investigation uncovered meth and fentanyl in Buncombe County.Sheriff’s deputies executed a search warrant Thursday at 8 Missionary Lane in Leicester.During the search, deputies found 14 grams of methamphetamine, 0.5 grams of fentanyl, 2.2 grams of marijuana and a .380 caliber pistol, officials said. Deputies and a DEA agent executed a search warrant Friday at 624 Rose Hill Rd. in the Reynolds area.