>> reporter: what's been most puzzling is the relationship between the two that's beginning to emerge. can we believe that they were best friend as some have said. martin, a stanford grad who talked of attending harvard law. and incognito, perhaps the polar opposite. a man who at least one time apparently thought little of screaming racial slurs and using vulgar language publicly. the player twice voted by his peers, one of the dirtiest guys in the game. >> what is perceived that he's a psycho path racist maniac. and the reality is that he's a pretty good teammate and that they were friends. >> players even saying they hung out together, off the field and on it. they played next to each other on the left side of the miami's