1. Talk to your attorney, yes. 2. Probably: fire this guy. This isnt someone you want at your company. When you fire him, you wont announce to the rest of the

1. Talk to your attorney, yes. 2. Probably: fire this guy. This isnt someone you want at your company. When you fire him, you wont announce to the rest of the company why. And you can have a conversation with the victim employee to let them know why you did it: you don't want abusive people on the team, and that you value every employee and also have to look out for everyone and the entire business. The employee will respect you more for taking action, trust me.