2 may have according to their attorney. “ Charles Kuck, an Atlanta-based immigration attorney representing two of the detained South Korean nationals, told NBC News his clients were in the U.S. on the Visa Waiver Program which permits tourism or business stays of up to 90 days. "I’m convinced neither of these guys are violating their status in any way,” Kuck said, adding that both of his clients are process engineers who came over for meetings related to the construction of the new plant. “ https://www.nbcnews.com/news/us-news/hundreds-south-korean-nationals-detained-largest-single-site-immigrati-rcna229312