Donna Te'i told CNN earlier this week that she'd never talked to Te'o, nor did she have any involvement in the online plot involving the Notre Dame player and the woman he believed was his girlfriend.

CNN: Manti Te'o denies he was part of girlfriend hoax

Couric said she believes Te'o sincerely thought he was having a relationship with Kekua.

CNN: Te'o to Couric: My emotions were real

Donna Te'i acknowledged she was portrayed in the online images as Kekua's sister, but not of her own accord.

CNN: Manti Te'o denies he was part of girlfriend hoax