Vindman Zwack
https://abcnews.go.com/Nightline/video/lt-col-vindmans-supervisor-fall-side-history-67138481
Gen. Zwack: Calling Vindman a ‘double agent’ ahead of testimony is ‘reprehensible’
https://www.pri.org/stories/2019-10-29/gen-zwack-calling-vindman-double-agent-ahead-testimony-reprehensible