Nghia Hoang Pho, 68, of Ellicott City, Maryland, was a developer with Tailored Access Operations (TAO) hacking group at the NSA since April 2006. He was caught and arrested in 2015 following the Shadow Brokers leaks of several Equation Group hacking tools. Pho was sentenced to 66 months in prison to one count of willful removal and retention of national defense information. He will also be required to undergo 3 years of supervised release after completing his 5-year prison sentence.
Source: https://thehackernews.com/2018/09/nsa-secret-hacking-tools.html