only a georgia hero, he is an american legend. reporter: walker, a former-football star, was recruited by trump to run. i have known donald trump for 37 years and i don t mean just casual ran into him from time to time. i am talking about a deep personal friendship. reporter: the political newcomer has faced scrutiny over his past allegations of abuse, he was accused of threatening his ex-wife and friend of hers in the early 2000s. you can get angry but the anger that you can go out and really, really hurt someone and th that is when you know you got a problem. reporter: walker spoke to cnn in 2008 about his struggle with dissociative identity disorder, previously known as multiple personality disorder which his campaign has said he has received help for since the alleged incidents. how many altars did you or do you have? you know, to be honest, i