WALLA WALLA, Wa.- One of the largest active Methamphetamine labs in the county's history was discovered in Walla Walla Wednesday night. Around 6:00 Wednesday evening The Walla Walla SWAT Team served a drug warrant at the Walla Walla Vineyard Inn on 325 E. Main Street. 56-year-old Clifford E. Chew was arrested and taken to the Walla Walla County Jail. He was arrested on charges of Manufacturing Methamphetamine and numerous other felony drug related charges. He is currently on Umatilla County's Most Wanted List.