Key Trump Impeachment 1.0 witness former Army Colonel Alexander Vindman filed a lawsuit Wednesday against Don Jr, Rudy, and Trump’s social media minions Dan Scavino and Julia Hahn, seeking “long-overdue accountability for unlawful actions knowingly undertaken by close associates and allies of former President Donald J. Trump to help him obstruct a constitutional proceeding by intimidating and retaliating against a key witness,” per the complaint.