@AdamSchefter 3m
1: Richie Incognito left this VM for Jonathan Martin in April 2013: "Hey, wassup, you half n----- piece of (expletive)...
2. More Incognito to Martin: "I saw you on Twitter, you been training ten weeks. (I want to) (expletive) in your (expl) mouth...
3. Incognito VM to Martin: "(I'm going to) slap your (expletive) mouth. (I'm going to) slap your real mother across the face (laughter).
4. Incognito to Martin, all on same VM in April 2013: "(Expletive) you, you're still a rookie. I'll kill you."
Edit: found a screenshot.