Traitor.
Give him the military punishment he has earned by his treasonous and insubordinate communicators with an enemy of the USA.
If it is too delicate and sensitive, then hire operatives to do the job.
No mercy.
No forgiveness.
Fight to win, or do not fight at all.
Milley could have easily precipitated a military action by China. I wonder how many men were assigned to his security detail, and how much each one costs?