Migrants detained at the border are kept in freezing cells nicknamed 'iceboxes' — here's what we know about them - Business Insider

Migrants detained at the border by Border Patrol and Customs and Border Protection agents are often held in freezing, cramped facilities often referred to as "hieleras" or "iceboxes" by migrants, advocates and even their detainers. ....
https://www.businessinsider.com/migrants-detained-at-border-kept-in-freezing-cells-nicknamed-iceboxes-2018-12