This is the one in Dallas: https://www.dallasnews.com/business/local-companies/2018/06/27/ugly-dallas-att-building-is-one-of-several-used-in-nsa-s-secret-spy-p

This is the one in Dallas: https://www.dallasnews.com/business/local-companies/2018/06/27/ugly-dallas-att-building-is-one-of-several-used-in-nsa-s-secret-spy-program-report-says/ https://www.dallasnews.com/business/local-companies/2018/06/...